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			<ul class="current">
			<li class="toctree-l1"><a class="reference internal" href="Section_intro.html">1. Introduction</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_start.html">2. Getting Started</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_commands.html">3. Commands</a></li>
			<li class="toctree-l1 current"><a class="current reference internal" href="#">4. Packages</a><ul>
			<li class="toctree-l2"><a class="reference internal" href="#standard-packages">4.1. Standard packages</a><ul>
			<li class="toctree-l3"><a class="reference internal" href="#asphere-package">4.1.1. ASPHERE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#body-package">4.1.2. BODY package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#class2-package">4.1.3. CLASS2 package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#colloid-package">4.1.4. COLLOID package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#compress-package">4.1.5. COMPRESS package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#coreshell-package">4.1.6. CORESHELL package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#dipole-package">4.1.7. DIPOLE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#gpu-package">4.1.8. GPU package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#granular-package">4.1.9. GRANULAR package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#kim-package">4.1.10. KIM package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#kokkos-package">4.1.11. KOKKOS package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#kspace-package">4.1.12. KSPACE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#manybody-package">4.1.13. MANYBODY package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#mc-package">4.1.14. MC package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#meam-package">4.1.15. MEAM package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#misc-package">4.1.16. MISC package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#molecule-package">4.1.17. MOLECULE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#mpiio-package">4.1.18. MPIIO package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#opt-package">4.1.19. OPT package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#peri-package">4.1.20. PERI package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#poems-package">4.1.21. POEMS package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#python-package">4.1.22. PYTHON package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#qeq-package">4.1.23. QEQ package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#reax-package">4.1.24. REAX package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#replica-package">4.1.25. REPLICA package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#rigid-package">4.1.26. RIGID package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#shock-package">4.1.27. SHOCK package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#snap-package">4.1.28. SNAP package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#srd-package">4.1.29. SRD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#voronoi-package">4.1.30. VORONOI package</a></li>
			</ul>
			</li>
			<li class="toctree-l2"><a class="reference internal" href="#user-packages">4.2. User packages</a><ul>
			<li class="toctree-l3"><a class="reference internal" href="#user-atc-package">4.2.1. USER-ATC package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-awpmd-package">4.2.2. USER-AWPMD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-cg-cmm-package">4.2.3. USER-CG-CMM package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-colvars-package">4.2.4. USER-COLVARS package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-diffraction-package">4.2.5. USER-DIFFRACTION package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-dpd-package">4.2.6. USER-DPD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-drude-package">4.2.7. USER-DRUDE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-eff-package">4.2.8. USER-EFF package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-fep-package">4.2.9. USER-FEP package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-h5md-package">4.2.10. USER-H5MD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-intel-package">4.2.11. USER-INTEL package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-lb-package">4.2.12. USER-LB package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-mgpt-package">4.2.13. USER-MGPT package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-misc-package">4.2.14. USER-MISC package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-manifold-package">4.2.15. USER-MANIFOLD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-molfile-package">4.2.16. USER-MOLFILE package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-omp-package">4.2.17. USER-OMP package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-phonon-package">4.2.18. USER-PHONON package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-qmmm-package">4.2.19. USER-QMMM package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-qtb-package">4.2.20. USER-QTB package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-quip-package">4.2.21. USER-QUIP package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-reaxc-package">4.2.22. USER-REAXC package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-smd-package">4.2.23. USER-SMD package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-smtbq-package">4.2.24. USER-SMTBQ package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-sph-package">4.2.25. USER-SPH package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-tally-package">4.2.26. USER-TALLY package</a></li>
			<li class="toctree-l3"><a class="reference internal" href="#user-vtk-package">4.2.27. USER-VTK package</a></li>
			</ul>
			</li>
			</ul>
			</li>
			<li class="toctree-l1"><a class="reference internal" href="Section_accelerate.html">5. Accelerating LAMMPS performance</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_howto.html">6. How-to discussions</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_example.html">7. Example problems</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_perf.html">8. Performance & scalability</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_tools.html">9. Additional tools</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_modify.html">10. Modifying & extending LAMMPS</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_python.html">11. Python interface to LAMMPS</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_errors.html">12. Errors</a></li>
			<li class="toctree-l1"><a class="reference internal" href="Section_history.html">13. Future and history</a></li>
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			<div class="section" id="packages">
			<h1>4. Packages</h1>
			<p>This section gives an overview of the add-on optional packages that
			extend LAMMPS functionality. Packages are groups of files that enable
			a specific set of features. For example, force fields for molecular
			systems or granular systems are in packages. You can see the list of
			all packages by typing “make package” from within the src directory of
			the LAMMPS distribution.</p>
			<p>Here are links for two tables below, which list standard and user
			packages.</p>
			<div class="line-block">
			<div class="line">4.1 <a class="reference internal" href="#pkg-1"><span class="std std-ref">Standard packages</span></a></div>
			<div class="line">4.2 <a class="reference internal" href="#pkg-2"><span class="std std-ref">User packages</span></a></div>
			<div class="line"><br /></div>
			</div>
			<p><a class="reference internal" href="Section_start.html#start-3"><span class="std std-ref">Section_start 3</span></a> of the manual describes
			the difference between standard packages and user packages. It also
			has general details on how to include/exclude specific packages as
			part of the LAMMPS build process, and on how to build auxiliary
			libraries or modify a machine Makefile if a package requires it.</p>
			<p>Following the two tables below, is a sub-section for each package. It
			has a summary of what the package contains. It has specific
			instructions on how to install it, build or obtain any auxiliary
			library it requires, and any Makefile.machine changes it requires. It
			also lists pointers to examples of its use or documentation provided
			in the LAMMPS distribution. If you want to know the complete list of
			commands that a package adds to LAMMPS, simply list the files in its
			directory, e.g. “ls src/GRANULAR”. Source files with names that start
			with compute, fix, pair, bond, etc correspond to command styles with
			the same names.</p>
			<div class="admonition note">
			<p class="first admonition-title">Note</p>
			<p class="last">The USER package sub-sections below are still being filled in,
			as of March 2016.</p>
			</div>
			<p>Unless otherwise noted below, every package is independent of all the
			others. I.e. any package can be included or excluded in a LAMMPS
			build, independent of all other packages. However, note that some
			packages include commands derived from commands in other packages. If
			the other package is not installed, the derived command from the new
			package will also not be installed when you include the new one.
			E.g. the pair lj/cut/coul/long/omp command from the USER-OMP package
			will not be installed as part of the USER-OMP package if the KSPACE
			package is not also installed, since it contains the pair
			lj/cut/coul/long command. If you later install the KSPACE package and
			the USER-OMP package is already installed, both the pair
			lj/cut/coul/long and lj/cut/coul/long/omp commands will be installed.</p>
			<hr class="docutils" />
			<div class="section" id="standard-packages">
			<span id="pkg-1"></span><h2>4.1. Standard packages</h2>
			<p>The current list of standard packages is as follows. Each package
			name links to a sub-section below with more details.</p>
			<table border="1" class="docutils">
			<colgroup>
			<col width="16%" />
			<col width="21%" />
			<col width="22%" />
			<col width="28%" />
			<col width="6%" />
			<col width="7%" />
			</colgroup>
			<tbody valign="top">
			<tr class="row-odd"><td>Package</td>
			<td>Description</td>
			<td>Author(s)</td>
			<td>Doc page</td>
			<td>Example</td>
			<td>Library</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#asphere"><span class="std std-ref">ASPHERE</span></a></td>
			<td>aspherical particles</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="Section_howto.html#howto-14"><span class="std std-ref">Section_howto 6.14</span></a></td>
			<td>ellipse</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#body"><span class="std std-ref">BODY</span></a></td>
			<td>body-style particles</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="body.html"><span class="doc">body</span></a></td>
			<td>body</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#class2"><span class="std std-ref">CLASS2</span></a></td>
			<td>class 2 force fields</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="pair_class2.html"><span class="doc">pair_style lj/class2</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#colloid"><span class="std std-ref">COLLOID</span></a></td>
			<td>colloidal particles</td>
			<td>Kumar (1)</td>
			<td><a class="reference internal" href="atom_style.html"><span class="doc">atom_style colloid</span></a></td>
			<td>colloid</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#compress"><span class="std std-ref">COMPRESS</span></a></td>
			<td>I/O compression</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><a class="reference internal" href="dump.html"><span class="doc">dump */gz</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#coreshell"><span class="std std-ref">CORESHELL</span></a></td>
			<td>adiabatic core/shell model</td>
			<td>Hendrik Heenen (Technical U of Munich)</td>
			<td><a class="reference internal" href="Section_howto.html#howto-25"><span class="std std-ref">Section_howto 6.25</span></a></td>
			<td>coreshell</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#dipole"><span class="std std-ref">DIPOLE</span></a></td>
			<td>point dipole particles</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="pair_dipole.html"><span class="doc">pair_style dipole/cut</span></a></td>
			<td>dipole</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#gpu"><span class="std std-ref">GPU</span></a></td>
			<td>GPU-enabled styles</td>
			<td>Mike Brown (ORNL)</td>
			<td><a class="reference internal" href="accelerate_gpu.html"><span class="doc">Section accelerate</span></a></td>
			<td>gpu</td>
			<td>lib/gpu</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#granular"><span class="std std-ref">GRANULAR</span></a></td>
			<td>granular systems</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="Section_howto.html#howto-6"><span class="std std-ref">Section_howto 6.6</span></a></td>
			<td>pour</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#kim"><span class="std std-ref">KIM</span></a></td>
			<td>openKIM potentials</td>
			<td>Smirichinski & Elliot & Tadmor (3)</td>
			<td><a class="reference internal" href="pair_kim.html"><span class="doc">pair_style kim</span></a></td>
			<td>kim</td>
			<td>KIM</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#kokkos"><span class="std std-ref">KOKKOS</span></a></td>
			<td>Kokkos-enabled styles</td>
			<td>Trott & Moore (4)</td>
			<td><a class="reference internal" href="accelerate_kokkos.html"><span class="doc">Section_accelerate</span></a></td>
			<td>kokkos</td>
			<td>lib/kokkos</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#kspace"><span class="std std-ref">KSPACE</span></a></td>
			<td>long-range Coulombic solvers</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="kspace_style.html"><span class="doc">kspace_style</span></a></td>
			<td>peptide</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#manybody"><span class="std std-ref">MANYBODY</span></a></td>
			<td>many-body potentials</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="pair_tersoff.html"><span class="doc">pair_style tersoff</span></a></td>
			<td>shear</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#meam"><span class="std std-ref">MEAM</span></a></td>
			<td>modified EAM potential</td>
			<td>Greg Wagner (Sandia)</td>
			<td><a class="reference internal" href="pair_meam.html"><span class="doc">pair_style meam</span></a></td>
			<td>meam</td>
			<td>lib/meam</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#mc"><span class="std std-ref">MC</span></a></td>
			<td>Monte Carlo options</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="fix_gcmc.html"><span class="doc">fix gcmc</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#molecule"><span class="std std-ref">MOLECULE</span></a></td>
			<td>molecular system force fields</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="Section_howto.html#howto-3"><span class="std std-ref">Section_howto 6.3</span></a></td>
			<td>peptide</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#opt"><span class="std std-ref">OPT</span></a></td>
			<td>optimized pair styles</td>
			<td>Fischer & Richie & Natoli (2)</td>
			<td><a class="reference internal" href="accelerate_opt.html"><span class="doc">Section accelerate</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#peri"><span class="std std-ref">PERI</span></a></td>
			<td>Peridynamics models</td>
			<td>Mike Parks (Sandia)</td>
			<td><a class="reference internal" href="pair_peri.html"><span class="doc">pair_style peri</span></a></td>
			<td>peri</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#poems"><span class="std std-ref">POEMS</span></a></td>
			<td>coupled rigid body motion</td>
			<td>Rudra Mukherjee (JPL)</td>
			<td><a class="reference internal" href="fix_poems.html"><span class="doc">fix poems</span></a></td>
			<td>rigid</td>
			<td>lib/poems</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#python"><span class="std std-ref">PYTHON</span></a></td>
			<td>embed Python code in an input script</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="python.html"><span class="doc">python</span></a></td>
			<td>python</td>
			<td>lib/python</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="Section_tools.html#reax"><span class="std std-ref">REAX</span></a></td>
			<td>ReaxFF potential</td>
			<td>Aidan Thompson (Sandia)</td>
			<td><a class="reference internal" href="pair_reax.html"><span class="doc">pair_style reax</span></a></td>
			<td>reax</td>
			<td>lib/reax</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#replica"><span class="std std-ref">REPLICA</span></a></td>
			<td>multi-replica methods</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="Section_howto.html#howto-5"><span class="std std-ref">Section_howto 6.5</span></a></td>
			<td>tad</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#rigid"><span class="std std-ref">RIGID</span></a></td>
			<td>rigid bodies</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="fix_rigid.html"><span class="doc">fix rigid</span></a></td>
			<td>rigid</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#shock"><span class="std std-ref">SHOCK</span></a></td>
			<td>shock loading methods</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="fix_msst.html"><span class="doc">fix msst</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#snap"><span class="std std-ref">SNAP</span></a></td>
			<td>quantum-fit potential</td>
			<td>Aidan Thompson (Sandia)</td>
			<td><a class="reference internal" href="pair_snap.html"><span class="doc">pair snap</span></a></td>
			<td>snap</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#srd"><span class="std std-ref">SRD</span></a></td>
			<td>stochastic rotation dynamics</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><a class="reference internal" href="fix_srd.html"><span class="doc">fix srd</span></a></td>
			<td>srd</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#voronoi"><span class="std std-ref">VORONOI</span></a></td>
			<td>Voronoi tesselations</td>
			<td>Daniel Schwen (LANL)</td>
			<td><a class="reference internal" href="compute_voronoi_atom.html"><span class="doc">compute voronoi/atom</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>Voro++</td>
			</tr>
			<tr class="row-odd"><td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			</tr>
			</tbody>
			</table>
			<p>The “Authors” column lists a name(s) if a specific person is
			responible for creating and maintaining the package.</p>
			<p>(1) The COLLOID package includes Fast Lubrication Dynamics pair styles
			which were created by Amit Kumar and Michael Bybee from Jonathan
			Higdon’s group at UIUC.</p>
			<p>(2) The OPT package was created by James Fischer (High Performance
			Technologies), David Richie, and Vincent Natoli (Stone Ridge
			Technolgy).</p>
			<p>(3) The KIM package was created by Valeriu Smirichinski, Ryan Elliott,
			and Ellad Tadmor (U Minn).</p>
			<p>(4) The KOKKOS package was created primarily by Christian Trott and
			Stan Moore (Sandia). It uses the Kokkos library which was developed
			by Carter Edwards, Christian Trott, and others at Sandia.</p>
			<p>The “Doc page” column links to either a sub-section of the
			<a class="reference internal" href="Section_howto.html"><span class="doc">Section_howto</span></a> of the manual, or an input script
			command implemented as part of the package, or to additional
			documentation provided within the package.</p>
			<p>The “Example” column is a sub-directory in the examples directory of
			the distribution which has an input script that uses the package.
			E.g. “peptide” refers to the examples/peptide directory.</p>
			<p>The “Library” column lists an external library which must be built
			first and which LAMMPS links to when it is built. If it is listed as
			lib/package, then the code for the library is under the lib directory
			of the LAMMPS distribution. See the lib/package/README file for info
			on how to build the library. If it is not listed as lib/package, then
			it is a third-party library not included in the LAMMPS distribution.
			See details on all of this below for individual packages.
			p.s.: are we ever going to get commit messages from you? ;-)</p>
			<hr class="docutils" />
			<div class="section" id="asphere-package">
			<span id="asphere"></span><h3>4.1.1. ASPHERE package</h3>
			<p>Contents: Several computes, time-integration fixes, and pair styles
			for aspherical particle models: ellipsoids, 2d lines, 3d triangles.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">asphere</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">asphere</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">asphere</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">asphere</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="Section_howto.html#howto-14"><span class="std std-ref">Section howto 6.14</span></a>,
			<a class="reference internal" href="pair_gayberne.html"><span class="doc">pair_style gayberne</span></a>, <a class="reference internal" href="pair_resquared.html"><span class="doc">pair_style resquared</span></a>,
			<a class="reference external" href="PDF/pair_gayberne_extra.pdf">doc/PDF/pair_gayberne_extra.pdf</a>,
			<a class="reference external" href="PDF/pair_resquared_extra.pdf">doc/PDF/pair_resquared_extra.pdf</a>,
			examples/ASPHERE, examples/ellipse</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="body-package">
			<span id="body"></span><h3>4.1.2. BODY package</h3>
			<p>Contents: Support for body-style particles. Computes,
			time-integration fixes, pair styles, as well as the body styles
			themselves. See the <a class="reference internal" href="body.html"><span class="doc">body</span></a> doc page for an overview.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">body</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">body</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">body</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">body</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="atom_style.html"><span class="doc">atom_style body</span></a>, <a class="reference internal" href="body.html"><span class="doc">body</span></a>,
			<a class="reference internal" href="pair_body.html"><span class="doc">pair_style body</span></a>, examples/body</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="class2-package">
			<span id="class2"></span><h3>4.1.3. CLASS2 package</h3>
			<p>Contents: Bond, angle, dihedral, improper, and pair styles for the
			COMPASS CLASS2 molecular force field.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">class2</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">class2</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">class2</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">class2</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="bond_class2.html"><span class="doc">bond_style class2</span></a>, <a class="reference internal" href="angle_class2.html"><span class="doc">angle_style class2</span></a>, <a class="reference internal" href="dihedral_class2.html"><span class="doc">dihedral_style class2</span></a>, <a class="reference internal" href="improper_class2.html"><span class="doc">improper_style class2</span></a>, <a class="reference internal" href="pair_class2.html"><span class="doc">pair_style lj/class2</span></a></p>
			<hr class="docutils" />
			</div>
			<div class="section" id="colloid-package">
			<span id="colloid"></span><h3>4.1.4. COLLOID package</h3>
			<p>Contents: Support for coarse-grained colloidal particles. Wall fix
			and pair styles that implement colloidal interaction models for
			finite-size particles. This includes the Fast Lubrication Dynamics
			method for hydrodynamic interactions, which is a simplified
			approximation to Stokesian dynamics.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">colloid</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">colloid</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">colloid</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">colloid</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="fix_wall.html"><span class="doc">fix wall/colloid</span></a>, <a class="reference internal" href="pair_colloid.html"><span class="doc">pair_style colloid</span></a>, <a class="reference internal" href="pair_yukawa_colloid.html"><span class="doc">pair_style yukawa/colloid</span></a>, <a class="reference internal" href="pair_brownian.html"><span class="doc">pair_style brownian</span></a>, <a class="reference internal" href="pair_lubricate.html"><span class="doc">pair_style lubricate</span></a>, <a class="reference internal" href="pair_lubricateU.html"><span class="doc">pair_style lubricateU</span></a>, examples/colloid, examples/srd</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="compress-package">
			<span id="compress"></span><h3>4.1.5. COMPRESS package</h3>
			<p>Contents: Support for compressed output of dump files via the zlib
			compression library, using dump styles with a “gz” in their style
			name.</p>
			<p>Building with the COMPRESS package assumes you have the zlib
			compression library available on your system. The build uses the
			lib/compress/Makefile.lammps file in the compile/link process. You
			should only need to edit this file if the LAMMPS build cannot find the
			zlib info it specifies.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">compress</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">compress</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">compress</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">compress</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/COMPRESS/README, lib/compress/README, <a class="reference internal" href="dump.html"><span class="doc">dump atom/gz</span></a>, <a class="reference internal" href="dump.html"><span class="doc">dump cfg/gz</span></a>, <a class="reference internal" href="dump.html"><span class="doc">dump custom/gz</span></a>, <a class="reference internal" href="dump.html"><span class="doc">dump xyz/gz</span></a></p>
			<hr class="docutils" />
			</div>
			<div class="section" id="coreshell-package">
			<span id="coreshell"></span><h3>4.1.6. CORESHELL package</h3>
			<p>Contents: Compute and pair styles that implement the adiabatic
			core/shell model for polarizability. The compute temp/cs command
			measures the temperature of a system with core/shell particles. The
			pair styles augment Born, Buckingham, and Lennard-Jones styles with
			core/shell capabilities. See <a class="reference internal" href="Section_howto.html#howto-26"><span class="std std-ref">Section howto 6.26</span></a> for an overview of how to use the
			package.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">coreshell</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">coreshell</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">coreshell</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">coreshell</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="Section_howto.html#howto-26"><span class="std std-ref">Section howto 6.26</span></a>, <a class="reference internal" href="compute_temp_cs.html"><span class="doc">compute temp/cs</span></a>,
			<a class="reference internal" href="pair_cs.html"><span class="doc">pair_style born/coul/long/cs</span></a>, <a class="reference internal" href="pair_cs.html"><span class="doc">pair_style buck/coul/long/cs</span></a>, pair_style
			lj/cut/coul/long/cs”_pair_lj.html, examples/coreshell</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="dipole-package">
			<span id="dipole"></span><h3>4.1.7. DIPOLE package</h3>
			<p>Contents: An atom style and several pair styles to support point
			dipole models with short-range or long-range interactions.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">dipole</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">dipole</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">dipole</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">dipole</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="atom_style.html"><span class="doc">atom_style dipole</span></a>, <a class="reference internal" href="pair_dipole.html"><span class="doc">pair_style lj/cut/dipole/cut</span></a>, <a class="reference internal" href="pair_dipole.html"><span class="doc">pair_style lj/cut/dipole/long</span></a>, <a class="reference internal" href="pair_dipole.html"><span class="doc">pair_style lj/long/dipole/long</span></a>, examples/dipole</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="gpu-package">
			<span id="gpu"></span><h3>4.1.8. GPU package</h3>
			<p>Contents: Dozens of pair styles and a version of the PPPM long-range
			Coulombic solver for NVIDIA GPUs. All of them have a “gpu” in their
			style name. <a class="reference internal" href="accelerate_gpu.html"><span class="doc">Section accelerate gpu</span></a> gives
			details of what hardware and Cuda software is required on your system,
			and how to build and use this package. See the KOKKOS package, which
			also has GPU-enabled styles.</p>
			<p>Building LAMMPS with the GPU package requires first building the GPU
			library itself, which is a set of C and Cuda files in lib/gpu.
			Details of how to do this are in lib/gpu/README. As illustrated
			below, perform a “make” using one of the Makefile.machine files in
			lib/gpu which should create a lib/reax/libgpu.a file.
			Makefile.linux.* and Makefile.xk7 are examples for different
			platforms. There are 3 important settings in the Makefile.machine you
			use:</p>
			<ul class="simple">
			<li>CUDA_HOME = where NVIDIA Cuda software is installed on your system</li>
			<li>CUDA_ARCH = appropriate to your GPU hardware</li>
			<li>CUDA_PREC = precision (double, mixed, single) you desire</li>
			</ul>
			<p>See example Makefile.machine files in lib/gpu for the syntax of these
			settings. See lib/gpu/Makefile.linux.double for ARCH settings for
			various NVIDIA GPUs. The “make” also creates a
			lib/gpu/Makefile.lammps file. This file has settings that enable
			LAMMPS to link with Cuda libraries. If the settings in
			Makefile.lammps for your machine are not correct, the LAMMPS link will
			fail. Note that the Make.py script has a “-gpu” option to allow the
			GPU library (with several of its options) and LAMMPS to be built in
			one step, with Type “python src/Make.py -h -gpu” to see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">gpu</span>
			<span class="n">make</span> <span class="o">-</span><span class="n">f</span> <span class="n">Makefile</span><span class="o">.</span><span class="n">linux</span><span class="o">.</span><span class="n">mixed</span> <span class="c1"># for example</span>
			<span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">src</span>
			<span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">gpu</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">gpu</span> <span class="o">-</span><span class="n">gpu</span> <span class="n">mode</span><span class="o">=</span><span class="n">mixed</span> <span class="n">arch</span><span class="o">=</span><span class="mi">35</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">gpu</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">gpu</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/GPU/README, lib/gpu/README, <a class="reference internal" href="Section_accelerate.html"><span class="doc">Section acclerate</span></a>, <a class="reference internal" href="accelerate_gpu.html"><span class="doc">Section accelerate gpu</span></a>, Pair Styles section of <a class="reference internal" href="Section_commands.html#cmd-5"><span class="std std-ref">Section commands 3.5</span></a> for any pair style listed with a (g),
			<a class="reference internal" href="kspace_style.html"><span class="doc">kspace_style</span></a>, <a class="reference internal" href="package.html"><span class="doc">package gpu</span></a>,
			examples/accelerate, bench/FERMI, bench/KEPLER</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="granular-package">
			<span id="granular"></span><h3>4.1.9. GRANULAR package</h3>
			<p>Contents: Fixes and pair styles that support models of finite-size
			granular particles, which interact with each other and boundaries via
			frictional and dissipative potentials.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">granular</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">granular</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">granular</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">granular</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="Section_howto.html#howto-6"><span class="std std-ref">Section howto 6.6</span></a>, <a class="reference internal" href="fix_pour.html"><span class="doc">fix pour</span></a>, <a class="reference internal" href="fix_wall_gran.html"><span class="doc">fix wall/gran</span></a>, <a class="reference internal" href="pair_gran.html"><span class="doc">pair_style gran/hooke</span></a>, <a class="reference internal" href="pair_gran.html"><span class="doc">pair_style gran/hertz/history</span></a>, examples/pour, bench/in.chute</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="kim-package">
			<span id="kim"></span><h3>4.1.10. KIM package</h3>
			<p>Contents: A pair style that interfaces to the Knowledge Base for
			Interatomic Models (KIM) repository of interatomic potentials, so that
			KIM potentials can be used in a LAMMPS simulation.</p>
			<p>To build LAMMPS with the KIM package you must have previously
			installed the KIM API (library) on your system. The lib/kim/README
			file explains how to download and install KIM. Building with the KIM
			package also uses the lib/kim/Makefile.lammps file in the compile/link
			process. You should not need to edit this file.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">kim</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">kim</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">kim</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">kim</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/KIM/README, lib/kim/README, <a class="reference internal" href="pair_kim.html"><span class="doc">pair_style kim</span></a>, examples/kim</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="kokkos-package">
			<span id="kokkos"></span><h3>4.1.11. KOKKOS package</h3>
			<p>Contents: Dozens of atom, pair, bond, angle, dihedral, improper styles
			which run with the Kokkos library to provide optimization for
			multicore CPUs (via OpenMP), NVIDIA GPUs, or the Intel Xeon Phi (in
			native mode). All of them have a “kk” in their style name. <a class="reference internal" href="accelerate_kokkos.html"><span class="doc">Section accelerate kokkos</span></a> gives details of what
			hardware and software is required on your system, and how to build and
			use this package. See the GPU, OPT, USER-INTEL, USER-OMP packages,
			which also provide optimizations for the same range of hardware.</p>
			<p>Building with the KOKKOS package requires choosing which of 3 hardware
			options you are optimizing for: CPU acceleration via OpenMP, GPU
			acceleration, or Intel Xeon Phi. (You can build multiple times to
			create LAMMPS executables for different hardware.) It also requires a
			C++11 compatible compiler. For GPUs, the NVIDIA “nvcc” compiler is
			used, and an appopriate KOKKOS_ARCH setting should be made in your
			Makefile.machine for your GPU hardware and NVIDIA software.</p>
			<p>The simplest way to do this is to use Makefile.kokkos_cuda or
			Makefile.kokkos_omp or Makefile.kokkos_phi in src/MAKE/OPTIONS, via
			“make kokkos_cuda” or “make kokkos_omp” or “make kokkos_phi”. (Check
			the KOKKOS_ARCH setting in Makefile.kokkos_cuda), Or, as illustrated
			below, you can use the Make.py script with its “-kokkos” option to
			choose which hardware to build for. Type “python src/Make.py -h
			-kokkos” to see the details. If these methods do not work on your
			system, you will need to read the <a class="reference internal" href="accelerate_kokkos.html"><span class="doc">Section accelerate kokkos</span></a> doc page for details of what
			Makefile.machine settings are needed.</p>
			<p>To install via make or Make.py for each of 3 hardware options:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">kokkos</span>
			<span class="n">make</span> <span class="n">kokkos_omp</span> <span class="c1"># for CPUs with OpenMP</span>
			<span class="n">make</span> <span class="n">kokkos_cuda</span> <span class="c1"># for GPUs, check the KOKKOS_ARCH setting in Makefile.kokkos_cuda</span>
			<span class="n">make</span> <span class="n">kokkos_phi</span> <span class="c1"># for Xeon Phis</span>
			</pre></div>
			</div>
			<p>Make.py -p kokkos -kokkos omp -a machine # for CPUs with OpenMP
			Make.py -p kokkos -kokkos cuda arch=35 -a machine # for GPUs of style arch
			Make.py -p kokkos -kokkos phi -a machine # for Xeon Phis</p>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">kokkos</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">kokkos</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/KOKKOS/README, lib/kokkos/README, <a class="reference internal" href="Section_accelerate.html"><span class="doc">Section acclerate</span></a>, <a class="reference internal" href="accelerate_kokkos.html"><span class="doc">Section accelerate kokkos</span></a>, Pair Styles section of <a class="reference internal" href="Section_commands.html#cmd-5"><span class="std std-ref">Section commands 3.5</span></a> for any pair style listed
			with a (k), <a class="reference internal" href="package.html"><span class="doc">package kokkos</span></a>,
			examples/accelerate, bench/FERMI, bench/KEPLER</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="kspace-package">
			<span id="kspace"></span><h3>4.1.12. KSPACE package</h3>
			<p>Contents: A variety of long-range Coulombic solvers, and pair styles
			which compute the corresponding short-range portion of the pairwise
			Coulombic interactions. These include Ewald, particle-particle
			particle-mesh (PPPM), and multilevel summation method (MSM) solvers.</p>
			<p>Building with the KSPACE package requires a 1d FFT library be present
			on your system for use by the PPPM solvers. This can be the KISS FFT
			library provided with LAMMPS, or 3rd party libraries like FFTW or a
			vendor-supplied FFT library. See step 6 of <a class="reference internal" href="Section_start.html#start-2-2"><span class="std std-ref">Section start 2.2.2</span></a> of the manual for details of how
			to select different FFT options in your machine Makefile. The Make.py
			tool has an “-fft” option which can insert these settings into your
			machine Makefile automatically. Type “python src/Make.py -h -fft” to
			see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">kspace</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">kspace</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">kspace</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">kspace</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="kspace_style.html"><span class="doc">kspace_style</span></a>,
			<a class="reference external" href="PDF/kspace.pdf">doc/PDF/kspace.pdf</a>, <a class="reference internal" href="Section_howto.html#howto-7"><span class="std std-ref">Section howto 6.7</span></a>, <a class="reference internal" href="Section_howto.html#howto-8"><span class="std std-ref">Section howto 6.8</span></a>, <a class="reference internal" href="Section_howto.html#howto-9"><span class="std std-ref">Section howto 6.9</span></a>, <a class="reference internal" href="pair_coul.html"><span class="doc">pair_style coul</span></a>,
			other pair style command doc pages which have “long” or “msm” in their
			style name, examples/peptide, bench/in.rhodo</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="manybody-package">
			<span id="manybody"></span><h3>4.1.13. MANYBODY package</h3>
			<p>Contents: A variety of many-body and bond-order potentials. These
			include (AI)REBO, EAM, EIM, BOP, Stillinger-Weber, and Tersoff
			potentials. Do a directory listing, “ls src/MANYBODY”, to see
			the full list.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">manybody</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">manybody</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">manybody</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">manybody</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info:</p>
			<p>Examples: Pair Styles section of <a class="reference internal" href="Section_commands.html#cmd-5"><span class="std std-ref">Section commands 3.5</span></a>, examples/comb, examples/eim,
			examples/nb3d, examples/vashishta</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="mc-package">
			<span id="mc"></span><h3>4.1.14. MC package</h3>
			<p>Contents: Several fixes and a pair style that have Monte Carlo (MC) or
			MC-like attributes. These include fixes for creating, breaking, and
			swapping bonds, and for performing atomic swaps and grand-canonical MC
			in conjuction with dynamics.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">mc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">mc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">mc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">mc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="fix_atom_swap.html"><span class="doc">fix atom/swap</span></a>, <a class="reference internal" href="fix_bond_break.html"><span class="doc">fix bond/break</span></a>, <a class="reference internal" href="fix_bond_create.html"><span class="doc">fix bond/create</span></a>, <a class="reference internal" href="fix_bond_swap.html"><span class="doc">fix bond/swap</span></a>,
			<a class="reference internal" href="fix_gcmc.html"><span class="doc">fix gcmc</span></a>, <a class="reference internal" href="pair_dsmc.html"><span class="doc">pair_style dsmc</span></a></p>
			<hr class="docutils" />
			</div>
			<div class="section" id="meam-package">
			<span id="meam"></span><h3>4.1.15. MEAM package</h3>
			<p>Contents: A pair style for the modified embedded atom (MEAM)
			potential.</p>
			<p>Building LAMMPS with the MEAM package requires first building the MEAM
			library itself, which is a set of Fortran 95 files in lib/meam.
			Details of how to do this are in lib/meam/README. As illustrated
			below, perform a “make” using one of the Makefile.machine files in
			lib/meam which should create a lib/meam/libmeam.a file.
			Makefile.gfortran and Makefile.ifort are examples for the GNU Fortran
			and Intel Fortran compilers. The “make” also copies a
			lib/meam/Makefile.lammps.machine file to lib/meam/Makefile.lammps.
			This file has settings that enable the C++ compiler used to build
			LAMMPS to link with a Fortran library (typically the 2 compilers to be
			consistent e.g. both Intel compilers, or both GNU compilers). If the
			settings in Makefile.lammps for your compilers and machine are not
			correct, the LAMMPS link will fail. Note that the Make.py script has
			a “-meam” option to allow the MEAM library and LAMMPS to be built in
			one step. Type “python src/Make.py -h -meam” to see the details.</p>
			<div class="admonition note">
			<p class="first admonition-title">Note</p>
			<p class="last">The MEAM potential can run dramatically faster if built with the
			Intel Fortran compiler, rather than the GNU Fortran compiler.</p>
			</div>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">meam</span>
			<span class="n">make</span> <span class="o">-</span><span class="n">f</span> <span class="n">Makefile</span><span class="o">.</span><span class="n">gfortran</span> <span class="c1"># for example</span>
			<span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">src</span>
			<span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">meam</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">meam</span> <span class="o">-</span><span class="n">meam</span> <span class="n">make</span><span class="o">=</span><span class="n">gfortran</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">meam</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">meam</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: lib/meam/README, <a class="reference internal" href="pair_meam.html"><span class="doc">pair_style meam</span></a>,
			examples/meam</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="misc-package">
			<span id="misc"></span><h3>4.1.16. MISC package</h3>
			<p>Contents: A variety of computes, fixes, and pair styles that are not
			commonly used, but don’t align with other packages. Do a directory
			listing, “ls src/MISC”, to see the list of commands.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">misc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">misc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">misc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">misc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="compute_ti.html"><span class="doc">compute ti</span></a>, <a class="reference internal" href="fix_evaporate.html"><span class="doc">fix evaporate</span></a>, <a class="reference internal" href="fix_ttm.html"><span class="doc">fix tmm</span></a>, <a class="reference internal" href="fix_viscosity.html"><span class="doc">fix viscosity</span></a>, examples/misc</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="molecule-package">
			<span id="molecule"></span><h3>4.1.17. MOLECULE package</h3>
			<p>Contents: A large number of atom, pair, bond, angle, dihedral,
			improper styles that are used to model molecular systems with fixed
			covalent bonds. The pair styles include terms for the Dreiding
			(hydrogen-bonding) and CHARMM force fields, and TIP4P water model.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">molecule</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">molecule</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">molecule</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">molecule</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info:<a class="reference internal" href="atom_style.html"><span class="doc">atom_style</span></a>,
			<a class="reference internal" href="bond_style.html"><span class="doc">bond_style</span></a>, <a class="reference internal" href="angle_style.html"><span class="doc">angle_style</span></a>,
			<a class="reference internal" href="dihedral_style.html"><span class="doc">dihedral_style</span></a>,
			<a class="reference internal" href="improper_style.html"><span class="doc">improper_style</span></a>, <a class="reference internal" href="pair_hbond_dreiding.html"><span class="doc">pair_style hbond/dreiding/lj</span></a>, <a class="reference internal" href="pair_charmm.html"><span class="doc">pair_style lj/charmm/coul/charmm</span></a>, <a class="reference internal" href="Section_howto.html#howto-3"><span class="std std-ref">Section howto 6.3</span></a>, examples/micelle, examples/peptide,
			bench/in.chain, bench/in.rhodo</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="mpiio-package">
			<span id="mpiio"></span><h3>4.1.18. MPIIO package</h3>
			<p>Contents: Support for parallel output/input of dump and restart files
			via the MPIIO library, which is part of the standard message-passing
			interface (MPI) library. It adds <a class="reference internal" href="dump.html"><span class="doc">dump styles</span></a> with a
			“mpiio” in their style name. Restart files with an ”.mpiio” suffix
			are also written and read in parallel.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">mpiio</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">mpiio</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">mpiio</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">mpiio</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="dump.html"><span class="doc">dump</span></a>, <a class="reference internal" href="restart.html"><span class="doc">restart</span></a>,
			<a class="reference internal" href="write_restart.html"><span class="doc">write_restart</span></a>, <a class="reference internal" href="read_restart.html"><span class="doc">read_restart</span></a></p>
			<hr class="docutils" />
			</div>
			<div class="section" id="opt-package">
			<span id="opt"></span><h3>4.1.19. OPT package</h3>
			<p>Contents: A handful of pair styles with an “opt” in their style name
			which are optimized for improved CPU performance on single or multiple
			cores. These include EAM, LJ, CHARMM, and Morse potentials. <a class="reference internal" href="accelerate_opt.html"><span class="doc">Section accelerate opt</span></a> gives details of how to build and
			use this package. See the KOKKOS, USER-INTEL, and USER-OMP packages,
			which also have styles optimized for CPU performance.</p>
			<p>Some C++ compilers, like the Intel compiler, require the compile flag
			“-restrict” to build LAMMPS with the OPT package. It should be added
			to the CCFLAGS line of your Makefile.machine. Or use Makefile.opt in
			src/MAKE/OPTIONS, via “make opt”. For compilers that use the flag,
			the Make.py command adds it automatically to the Makefile.auto file it
			creates and uses.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">opt</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">opt</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">opt</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">opt</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="Section_accelerate.html"><span class="doc">Section acclerate</span></a>, <a class="reference internal" href="accelerate_opt.html"><span class="doc">Section accelerate opt</span></a>, Pair Styles section of <a class="reference internal" href="Section_commands.html#cmd-5"><span class="std std-ref">Section commands 3.5</span></a> for any pair style listed
			with an (o), examples/accelerate, bench/KEPLER</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="peri-package">
			<span id="peri"></span><h3>4.1.20. PERI package</h3>
			<p>Contents: Support for the Peridynamics method, a particle-based
			meshless continuum model. The package includes an atom style, several
			computes which calculate diagnostics, and several Peridynamic pair
			styles which implement different materials models.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">peri</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">peri</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">peri</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">peri</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info:
			<a class="reference external" href="PDF/PDLammps_overview.pdf">doc/PDF/PDLammps_overview.pdf</a>,
			<a class="reference external" href="PDF/PDLammps_EPS.pdf">doc/PDF/PDLammps_EPS.pdf</a>,
			<a class="reference external" href="PDF/PDLammps_VES.pdf">doc/PDF/PDLammps_VES.pdf</a>, <a class="reference internal" href="atom_style.html"><span class="doc">atom_style peri</span></a>, <span class="xref doc">compute damage</span>,
			<a class="reference internal" href="pair_peri.html"><span class="doc">pair_style peri/pmb</span></a>, examples/peri</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="poems-package">
			<span id="poems"></span><h3>4.1.21. POEMS package</h3>
			<p>Contents: A fix that wraps the Parallelizable Open source Efficient
			Multibody Software (POEMS) librar, which is able to simulate the
			dynamics of articulated body systems. These are systems with multiple
			rigid bodies (collections of atoms or particles) whose motion is
			coupled by connections at hinge points.</p>
			<p>Building LAMMPS with the POEMS package requires first building the
			POEMS library itself, which is a set of C++ files in lib/poems.
			Details of how to do this are in lib/poems/README. As illustrated
			below, perform a “make” using one of the Makefile.machine files in
			lib/poems which should create a lib/meam/libpoems.a file.
			Makefile.g++ and Makefile.icc are examples for the GNU and Intel C++
			compilers. The “make” also creates a lib/poems/Makefile.lammps file
			which you should not need to change. Note the Make.py script has a
			“-poems” option to allow the POEMS library and LAMMPS to be built in
			one step. Type “python src/Make.py -h -poems” to see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">poems</span>
			<span class="n">make</span> <span class="o">-</span><span class="n">f</span> <span class="n">Makefile</span><span class="o">.</span><span class="n">g</span><span class="o">++</span> <span class="c1"># for example</span>
			<span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">src</span>
			<span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">poems</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">poems</span> <span class="o">-</span><span class="n">poems</span> <span class="n">make</span><span class="o">=</span><span class="n">g</span><span class="o">++</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">meam</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">meam</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/POEMS/README, lib/poems/README,
			<a class="reference internal" href="fix_poems.html"><span class="doc">fix poems</span></a>, examples/rigid</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="python-package">
			<span id="python"></span><h3>4.1.22. PYTHON package</h3>
			<p>Contents: A <a class="reference internal" href="python.html"><span class="doc">python</span></a> command which allow you to execute
			Python code from a LAMMPS input script. The code can be in a separate
			file or embedded in the input script itself. See <span class="xref std std-ref">Section python 11.2</span> for an overview of using Python from
			LAMMPS and <a class="reference external" href="Section_python.html"">Section python</a> for other ways to use
			LAMMPS and Python together.</p>
			<p>Building with the PYTHON package assumes you have a Python shared
			library available on your system, which needs to be a Python 2
			version, 2.6 or later. Python 3 is not supported. The build uses the
			contents of the lib/python/Makefile.lammps file to find all the Python
			files required in the build/link process. See the lib/python/README
			file if the settings in that file do not work on your system. Note
			that the Make.py script has a “-python” option to allow an alternate
			lib/python/Makefile.lammps file to be specified and LAMMPS to be built
			in one step. Type “python src/Make.py -h -python” to see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">python</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">python</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">python</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">python</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: examples/python</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="qeq-package">
			<span id="qeq"></span><h3>4.1.23. QEQ package</h3>
			<p>Contents: Several fixes for performing charge equilibration (QEq) via
			severeal different algorithms. These can be used with pair styles
			that use QEq as part of their formulation.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">qeq</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">qeq</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">qeq</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">qeq</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="fix_qeq.html"><span class="doc">fix qeq/*</span></a>, examples/qeq</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="reax-package">
			<span id="reax"></span><h3>4.1.24. REAX package</h3>
			<p>Contents: A pair style for the ReaxFF potential, a universal reactive
			force field, as well as a <a class="reference internal" href="fix_reax_bonds.html"><span class="doc">fix reax/bonds</span></a> command
			for monitoring molecules as bonds are created and destroyed.</p>
			<p>Building LAMMPS with the REAX package requires first building the REAX
			library itself, which is a set of Fortran 95 files in lib/reax.
			Details of how to do this are in lib/reax/README. As illustrated
			below, perform a “make” using one of the Makefile.machine files in
			lib/reax which should create a lib/reax/libreax.a file.
			Makefile.gfortran and Makefile.ifort are examples for the GNU Fortran
			and Intel Fortran compilers. The “make” also copies a
			lib/reax/Makefile.lammps.machine file to lib/reax/Makefile.lammps.
			This file has settings that enable the C++ compiler used to build
			LAMMPS to link with a Fortran library (typically the 2 compilers to be
			consistent e.g. both Intel compilers, or both GNU compilers). If the
			settings in Makefile.lammps for your compilers and machine are not
			correct, the LAMMPS link will fail. Note that the Make.py script has
			a “-reax” option to allow the REAX library and LAMMPS to be built in
			one step. Type “python src/Make.py -h -reax” to see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">reax</span>
			<span class="n">make</span> <span class="o">-</span><span class="n">f</span> <span class="n">Makefile</span><span class="o">.</span><span class="n">gfortran</span> <span class="c1"># for example</span>
			<span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">src</span>
			<span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">reax</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">reax</span> <span class="o">-</span><span class="n">reax</span> <span class="n">make</span><span class="o">=</span><span class="n">gfortran</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">reax</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">reax</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: lib/reax/README, <a class="reference internal" href="pair_reax.html"><span class="doc">pair_style reax</span></a>,
			<a class="reference internal" href="fix_reax_bonds.html"><span class="doc">fix reax/bonds</span></a>, examples/reax</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="replica-package">
			<span id="replica"></span><h3>4.1.25. REPLICA package</h3>
			<p>Contents: A collection of multi-replica methods that are used by
			invoking multiple instances (replicas) of LAMMPS
			simulations. Communication between individual replicas is performed in
			different ways by the different methods. See <a class="reference internal" href="Section_howto.html#howto-5"><span class="std std-ref">Section howto 6.5</span></a> for an overview of how to run
			multi-replica simulations in LAMMPS. Multi-replica methods included
			in the package are nudged elastic band (NEB), parallel replica
			dynamics (PRD), temperature accelerated dynamics (TAD), parallel
			tempering, and a verlet/split algorithm for performing long-range
			Coulombics on one set of processors, and the remainded of the force
			field calcalation on another set.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">replica</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">replica</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">replica</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">replica</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="Section_howto.html#howto-5"><span class="std std-ref">Section howto 6.5</span></a>,
			<a class="reference internal" href="neb.html"><span class="doc">neb</span></a>, <a class="reference internal" href="prd.html"><span class="doc">prd</span></a>, <a class="reference internal" href="tad.html"><span class="doc">tad</span></a>, <a class="reference internal" href="temper.html"><span class="doc">temper</span></a>,
			<a class="reference internal" href="run_style.html"><span class="doc">run_style verlet/split</span></a>, examples/neb, examples/prd,
			examples/tad</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="rigid-package">
			<span id="rigid"></span><h3>4.1.26. RIGID package</h3>
			<p>Contents: A collection of computes and fixes which enforce rigid
			constraints on collections of atoms or particles. This includes SHAKE
			and RATTLE, as well as variants of rigid-body time integrators for a
			few large bodies or many small bodies.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">rigid</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">rigid</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">rigid</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">rigid</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="compute_erotate_rigid.html"><span class="doc">compute erotate/rigid</span></a>,
			<a class="reference internal" href="fix_shake.html"><span class="doc">fix shake</span></a>, <span class="xref doc">fix rattle</span>, <a class="reference internal" href="fix_rigid.html"><span class="doc">fix rigid/*</span></a>, examples/ASPHERE, examples/rigid</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="shock-package">
			<span id="shock"></span><h3>4.1.27. SHOCK package</h3>
			<p>Contents: A small number of fixes useful for running impact
			simulations where a shock-wave passes through a material.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">shock</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">shock</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">shock</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">shock</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="fix_append_atoms.html"><span class="doc">fix append/atoms</span></a>, <a class="reference internal" href="fix_msst.html"><span class="doc">fix msst</span></a>, <a class="reference internal" href="fix_nphug.html"><span class="doc">fix nphug</span></a>, <a class="reference internal" href="fix_wall_piston.html"><span class="doc">fix wall/piston</span></a>, examples/hugoniostat, examples/msst</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="snap-package">
			<span id="snap"></span><h3>4.1.28. SNAP package</h3>
			<p>Contents: A pair style for the spectral neighbor analysis potential
			(SNAP), which is an empirical potential which can be quantum accurate
			when fit to an archive of DFT data. Computes useful for analyzing
			properties of the potential are also included.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">snap</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">snap</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">snap</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">snap</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="pair_snap.html"><span class="doc">pair snap</span></a>, <a class="reference internal" href="compute_sna_atom.html"><span class="doc">compute sna/atom</span></a>, <span class="xref doc">compute snad/atom</span>,
			<span class="xref doc">compute snav/atom</span>, examples/snap</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="srd-package">
			<span id="srd"></span><h3>4.1.29. SRD package</h3>
			<p>Contents: Two fixes which implement the Stochastic Rotation Dynamics
			(SRD) method for coarse-graining of a solvent, typically around large
			colloidal-scale particles.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">srd</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">srd</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">srd</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">srd</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: <a class="reference internal" href="fix_srd.html"><span class="doc">fix srd</span></a>, <a class="reference internal" href="fix_wall_srd.html"><span class="doc">fix wall/srd</span></a>, examples/srd, examples/ASPHERE</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="voronoi-package">
			<span id="voronoi"></span><h3>4.1.30. VORONOI package</h3>
			<p>Contents: A <a class="reference internal" href="compute_voronoi_atom.html"><span class="doc">compute voronoi/atom</span></a> command
			which computes the Voronoi tesselation of a collection of atoms or
			particles by wrapping the Voro++ lib</p>
			<p>To build LAMMPS with the KIM package you must have previously
			installed the KIM API (library) on your system. The lib/kim/README
			file explains how to download and install KIM. Building with the KIM
			package also uses the lib/kim/Makefile.lammps file in the compile/link
			process. You should not need to edit this file.</p>
			<p>To build LAMMPS with the VORONOI package you must have previously
			installed the Voro++ library on your system. The lib/voronoi/README
			file explains how to download and install Voro++. There is a
			lib/voronoi/install.py script which automates the process. Type
			“python install.py” to see instructions. The final step is to create
			soft links in the lib/voronoi directory for “includelink” and
			“liblink” which point to installed Voro++ directories. Building with
			the VORONOI package uses the contents of the
			lib/voronoi/Makefile.lammps file in the compile/link process. You
			should not need to edit this file. Note that the Make.py script has a
			“-voronoi” option to allow the Voro++ library to be downloaded and/or
			installed and LAMMPS to be built in one step. Type “python
			src/Make.py -h -voronoi” to see the details.</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">lib</span><span class="o">/</span><span class="n">voronoi</span>
			<span class="n">python</span> <span class="n">install</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">g</span> <span class="o">-</span><span class="n">b</span> <span class="o">-</span><span class="n">l</span> <span class="c1"># download Voro++, build in lib/voronoi, create links</span>
			<span class="n">cd</span> <span class="o">~/</span><span class="n">lammps</span><span class="o">/</span><span class="n">src</span>
			<span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">voronoi</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">voronoi</span> <span class="o">-</span><span class="n">voronoi</span> <span class="n">install</span><span class="o">=</span><span class="s2">"-g -b -l"</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">voronoi</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">voronoi</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting info: src/VORONOI/README, lib/voronoi/README, <a class="reference internal" href="compute_voronoi_atom.html"><span class="doc">compute voronoi/atom</span></a>, examples/voronoi</p>
			<hr class="docutils" />
			</div>
			</div>
			<div class="section" id="user-packages">
			<span id="pkg-2"></span><h2>4.2. User packages</h2>
			<p>The current list of user-contributed packages is as follows:</p>
			<table border="1" class="docutils">
			<colgroup>
			<col width="17%" />
			<col width="19%" />
			<col width="19%" />
			<col width="22%" />
			<col width="7%" />
			<col width="10%" />
			<col width="5%" />
			</colgroup>
			<tbody valign="top">
			<tr class="row-odd"><td>Package</td>
			<td>Description</td>
			<td>Author(s)</td>
			<td>Doc page</td>
			<td>Example</td>
			<td>Pic/movie</td>
			<td>Library</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-atc"><span class="std std-ref">USER-ATC</span></a></td>
			<td>atom-to-continuum coupling</td>
			<td>Jones & Templeton & Zimmerman (1)</td>
			<td><a class="reference internal" href="fix_atc.html"><span class="doc">fix atc</span></a></td>
			<td>USER/atc</td>
			<td><a class="reference external" href="http://lammps.sandia.gov/pictures.html#atc">atc</a></td>
			<td>lib/atc</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-awpmd"><span class="std std-ref">USER-AWPMD</span></a></td>
			<td>wave-packet MD</td>
			<td>Ilya Valuev (JIHT)</td>
			<td><a class="reference internal" href="pair_awpmd.html"><span class="doc">pair_style awpmd/cut</span></a></td>
			<td>USER/awpmd</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>lib/awpmd</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-cg-cmm"><span class="std std-ref">USER-CG-CMM</span></a></td>
			<td>coarse-graining model</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><a class="reference internal" href="pair_sdk.html"><span class="doc">pair_style lj/sdk</span></a></td>
			<td>USER/cg-cmm</td>
			<td><a class="reference external" href="http://lammps.sandia.gov/pictures.html#cg">cg</a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-colvars"><span class="std std-ref">USER-COLVARS</span></a></td>
			<td>collective variables</td>
			<td>Fiorin & Henin & Kohlmeyer (2)</td>
			<td><a class="reference internal" href="fix_colvars.html"><span class="doc">fix colvars</span></a></td>
			<td>USER/colvars</td>
			<td><a class="reference external" href="colvars">colvars</a></td>
			<td>lib/colvars</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-diffraction"><span class="std std-ref">USER-DIFFRACTION</span></a></td>
			<td>virutal x-ray and electron diffraction</td>
			<td>Shawn Coleman (ARL)</td>
			<td><a class="reference internal" href="compute_xrd.html"><span class="doc">compute xrd</span></a></td>
			<td>USER/diffraction</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-dpd"><span class="std std-ref">USER-DPD</span></a></td>
			<td>dissipative particle dynamics (DPD)</td>
			<td>Larentzos & Mattox & Brennan (5)</td>
			<td>src/USER-DPD/README</td>
			<td>USER/dpd</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-drude"><span class="std std-ref">USER-DRUDE</span></a></td>
			<td>Drude oscillators</td>
			<td>Dequidt & Devemy & Padua (3)</td>
			<td><a class="reference internal" href="tutorial_drude.html"><span class="doc">tutorial</span></a></td>
			<td>USER/drude</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-eff"><span class="std std-ref">USER-EFF</span></a></td>
			<td>electron force field</td>
			<td>Andres Jaramillo-Botero (Caltech)</td>
			<td><a class="reference internal" href="pair_eff.html"><span class="doc">pair_style eff/cut</span></a></td>
			<td>USER/eff</td>
			<td><a class="reference external" href="http://lammps.sandia.gov/movies.html#eff">eff</a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-fep"><span class="std std-ref">USER-FEP</span></a></td>
			<td>free energy perturbation</td>
			<td>Agilio Padua (U Blaise Pascal Clermont-Ferrand)</td>
			<td><a class="reference internal" href="compute_fep.html"><span class="doc">compute fep</span></a></td>
			<td>USER/fep</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-h5md"><span class="std std-ref">USER-H5MD</span></a></td>
			<td>dump output via HDF5</td>
			<td>Pierre de Buyl (KU Leuven)</td>
			<td><a class="reference internal" href="dump_h5md.html"><span class="doc">dump h5md</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>lib/h5md</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-intel"><span class="std std-ref">USER-INTEL</span></a></td>
			<td>Vectorized CPU and Intel(R) coprocessor styles</td>
			<td><ol class="first last upperalpha simple" start="23">
			<li>Michael Brown (Intel)</li>
			</ol>
			</td>
			<td><a class="reference internal" href="accelerate_intel.html"><span class="doc">Section accelerate</span></a></td>
			<td>examples/intel</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-lb"><span class="std std-ref">USER-LB</span></a></td>
			<td>Lattice Boltzmann fluid</td>
			<td>Colin Denniston (U Western Ontario)</td>
			<td><a class="reference internal" href="fix_lb_fluid.html"><span class="doc">fix lb/fluid</span></a></td>
			<td>USER/lb</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-mgpt"><span class="std std-ref">USER-MGPT</span></a></td>
			<td>fast MGPT multi-ion potentials</td>
			<td>Tomas Oppelstrup & John Moriarty (LLNL)</td>
			<td><a class="reference internal" href="pair_mgpt.html"><span class="doc">pair_style mgpt</span></a></td>
			<td>USER/mgpt</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-misc"><span class="std std-ref">USER-MISC</span></a></td>
			<td>single-file contributions</td>
			<td>USER-MISC/README</td>
			<td>USER-MISC/README</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-manifold"><span class="std std-ref">USER-MANIFOLD</span></a></td>
			<td>motion on 2d surface</td>
			<td>Stefan Paquay (Eindhoven U of Technology)</td>
			<td><a class="reference internal" href="fix_manifoldforce.html"><span class="doc">fix manifoldforce</span></a></td>
			<td>USER/manifold</td>
			<td><a class="reference external" href="http://lammps.sandia.gov/movies.html#manifold">manifold</a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-molfile"><span class="std std-ref">USER-MOLFILE</span></a></td>
			<td><a class="reference external" href="http://www.ks.uiuc.edu/Research/vmd">VMD</a> molfile plug-ins</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><a class="reference internal" href="dump_molfile.html"><span class="doc">dump molfile</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>VMD-MOLFILE</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-omp"><span class="std std-ref">USER-OMP</span></a></td>
			<td>OpenMP threaded styles</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><a class="reference internal" href="accelerate_omp.html"><span class="doc">Section accelerate</span></a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-phonon"><span class="std std-ref">USER-PHONON</span></a></td>
			<td>phonon dynamical matrix</td>
			<td>Ling-Ti Kong (Shanghai Jiao Tong U)</td>
			<td><a class="reference internal" href="fix_phonon.html"><span class="doc">fix phonon</span></a></td>
			<td>USER/phonon</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-qmmm"><span class="std std-ref">USER-QMMM</span></a></td>
			<td>QM/MM coupling</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><a class="reference internal" href="fix_qmmm.html"><span class="doc">fix qmmm</span></a></td>
			<td>USER/qmmm</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>lib/qmmm</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-qtb"><span class="std std-ref">USER-QTB</span></a></td>
			<td>quantum nuclear effects</td>
			<td>Yuan Shen (Stanford)</td>
			<td><a class="reference internal" href="fix_qtb.html"><span class="doc">fix qtb</span></a> <a class="reference internal" href="fix_qbmsst.html"><span class="doc">fix qbmsst</span></a></td>
			<td>qtb</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-quip"><span class="std std-ref">USER-QUIP</span></a></td>
			<td>QUIP/libatoms interface</td>
			<td>Albert Bartok-Partay (U Cambridge)</td>
			<td><a class="reference internal" href="pair_quip.html"><span class="doc">pair_style quip</span></a></td>
			<td>USER/quip</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>lib/quip</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-reaxc"><span class="std std-ref">USER-REAXC</span></a></td>
			<td>C version of ReaxFF</td>
			<td>Metin Aktulga (LBNL)</td>
			<td><a class="reference internal" href="pair_reax_c.html"><span class="doc">pair_style reaxc</span></a></td>
			<td>reax</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-smd"><span class="std std-ref">USER-SMD</span></a></td>
			<td>smoothed Mach dynamics</td>
			<td>Georg Ganzenmuller (EMI)</td>
			<td><a class="reference external" href="PDF/SMD_LAMMPS_userguide.pdf">userguide.pdf</a></td>
			<td>USER/smd</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-smtbq"><span class="std std-ref">USER-SMTBQ</span></a></td>
			<td>Second Moment Tight Binding - QEq potential</td>
			<td>Salles & Maras & Politano & Tetot (4)</td>
			<td><a class="reference internal" href="pair_smtbq.html"><span class="doc">pair_style smtbq</span></a></td>
			<td>USER/smtbq</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-sph"><span class="std std-ref">USER-SPH</span></a></td>
			<td>smoothed particle hydrodynamics</td>
			<td>Georg Ganzenmuller (EMI)</td>
			<td><a class="reference external" href="PDF/SPH_LAMMPS_userguide.pdf">userguide.pdf</a></td>
			<td>USER/sph</td>
			<td><a class="reference external" href="http://lammps.sandia.gov/movies.html#sph">sph</a></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-odd"><td><a class="reference internal" href="#user-tally"><span class="std std-ref">USER-TALLY</span></a></td>
			<td>Pairwise tallied computes</td>
			<td>Axel Kohlmeyer (Temple U)</td>
			<td><span class="xref doc">compute</span></td>
			<td>USER/tally</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			</tr>
			<tr class="row-even"><td><a class="reference internal" href="#user-vtk"><span class="std std-ref">USER-VTK</span></a></td>
			<td>VTK-style dumps</td>
			<td>Berger and Queteschiner (6)</td>
			<td><span class="xref doc">compute custom/vtk</span></td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td><ul class="first last simple">
			<li></li>
			</ul>
			</td>
			<td>lib/vtk</td>
			</tr>
			<tr class="row-odd"><td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			<td> </td>
			</tr>
			</tbody>
			</table>
			<p>The “Authors” column lists a name(s) if a specific person is
			responible for creating and maintaining the package.</p>
			<p>(1) The ATC package was created by Reese Jones, Jeremy Templeton, and
			Jon Zimmerman (Sandia).</p>
			<p>(2) The COLVARS package was created by Axel Kohlmeyer (Temple U) using
			the colvars module library written by Giacomo Fiorin (Temple U) and
			Jerome Henin (LISM, Marseille, France).</p>
			<p>(3) The DRUDE package was created by Alain Dequidt (U Blaise Pascal
			Clermont-Ferrand) and co-authors Julien Devemy (CNRS) and Agilio Padua
			(U Blaise Pascal).</p>
			<p>(4) The SMTBQ package was created by Nicolas Salles, Emile Maras,
			Olivier Politano, and Robert Tetot (LAAS-CNRS, France).</p>
			<p>(5) The USER-DPD package was created by James Larentzos (ARL), Timothy
			Mattox (Engility), and John Brennan (ARL).</p>
			<p>(6) The USER-VTK package was created by Richard Berger (JKU) and
			Daniel Queteschiner (DCS Computing).</p>
			<p>The “Doc page” column links to either a sub-section of the
			<a class="reference internal" href="Section_howto.html"><span class="doc">Section_howto</span></a> of the manual, or an input script
			command implemented as part of the package, or to additional
			documentation provided within the package.</p>
			<p>The “Example” column is a sub-directory in the examples directory of
			the distribution which has an input script that uses the package.
			E.g. “peptide” refers to the examples/peptide directory.</p>
			<p>The “Library” column lists an external library which must be built
			first and which LAMMPS links to when it is built. If it is listed as
			lib/package, then the code for the library is under the lib directory
			of the LAMMPS distribution. See the lib/package/README file for info
			on how to build the library. If it is not listed as lib/package, then
			it is a third-party library not included in the LAMMPS distribution.
			See details on all of this below for individual packages.</p>
			<hr class="docutils" />
			<div class="section" id="user-atc-package">
			<span id="user-atc"></span><h3>4.2.1. USER-ATC package</h3>
			<p>Contents: ATC stands for atoms-to-continuum. This package implements
			a <a class="reference internal" href="fix_atc.html"><span class="doc">fix atc</span></a> command to either couple MD with continuum
			finite element equations or perform on-the-fly post-processing of
			atomic information to continuum fields. See src/USER-ATC/README for
			more details.</p>
			<p>To build LAMMPS with this package ...</p>
			<p>To install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">yes</span><span class="o">-</span><span class="n">user</span><span class="o">-</span><span class="n">atc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="n">atc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>To un-install via make or Make.py:</p>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">make</span> <span class="n">no</span><span class="o">-</span><span class="n">user</span><span class="o">-</span><span class="n">atc</span>
			<span class="n">make</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">Make</span><span class="o">.</span><span class="n">py</span> <span class="o">-</span><span class="n">p</span> <span class="o">^</span><span class="n">atc</span> <span class="o">-</span><span class="n">a</span> <span class="n">machine</span>
			</pre></div>
			</div>
			<p>Supporting <a class="reference external" href="info:src/USER-ATC/README">info:src/USER-ATC/README</a>, <a class="reference internal" href="fix_atc.html"><span class="doc">fix atc</span></a>,
			examples/USER/atc</p>
			<p>Authors: Reese Jones (rjones at sandia.gov), Jeremy Templeton (jatempl
			at sandia.gov) and Jon Zimmerman (jzimmer at sandia.gov) at Sandia.
			Contact them directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-awpmd-package">
			<span id="user-awpmd"></span><h3>4.2.2. USER-AWPMD package</h3>
			<p>Contents: AWPMD stands for Antisymmetrized Wave Packet Molecular
			Dynamics. This package implements an atom, pair, and fix style which
			allows electrons to be treated as explicit particles in an MD
			calculation. See src/USER-AWPMD/README for more details.</p>
			<p>To build LAMMPS with this package ...</p>
			<p>Supporting info: src/USER-AWPMD/README, <span class="xref doc">fix awpmd/cut</span>, examples/USER/awpmd</p>
			<p>Author: Ilya Valuev at the JIHT in Russia (valuev at
			physik.hu-berlin.de). Contact him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-cg-cmm-package">
			<span id="user-cg-cmm"></span><h3>4.2.3. USER-CG-CMM package</h3>
			<p>Contents: CG-CMM stands for coarse-grained ??. This package
			implements several pair styles and an angle style using the coarse
			grained parametrization of Shinoda, DeVane, Klein, Mol Sim, 33, 27
			(2007) (SDK), with extensions to simulate ionic liquids, electrolytes,
			lipids and charged amino acids. See src/USER-CG-CMM/README for more
			details.</p>
			<p>Supporting info: src/USER-CG-CMM/README, <a class="reference internal" href="pair_sdk.html"><span class="doc">pair lj/sdk</span></a>,
			<a class="reference internal" href="pair_sdk.html"><span class="doc">pair lj/sdk/coul/long</span></a>, <a class="reference internal" href="angle_sdk.html"><span class="doc">angle sdk</span></a>,
			examples/USER/cg-cmm</p>
			<p>Author: Axel Kohlmeyer at Temple U (akohlmey at gmail.com). Contact
			him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-colvars-package">
			<span id="user-colvars"></span><h3>4.2.4. USER-COLVARS package</h3>
			<p>Contents: COLVARS stands for collective variables which can be used to
			implement Adaptive Biasing Force, Metadynamics, Steered MD, Umbrella
			Sampling and Restraints. This package implements a <a class="reference internal" href="fix_colvars.html"><span class="doc">fix colvars</span></a> command which wraps a COLVARS library which
			can perform those kinds of simulations. See src/USER-COLVARS/README
			for more details.</p>
			<p>Supporting info:
			<a class="reference external" href="PDF/colvars-refman-lammps.pdf">doc/PDF/colvars-refman-lammps.pdf</a>,
			src/USER-COLVARS/README, lib/colvars/README, <a class="reference internal" href="fix_colvars.html"><span class="doc">fix colvars</span></a>, examples/USER/colvars</p>
			<p>Authors: Axel Kohlmeyer at Temple U (akohlmey at gmail.com) wrote the
			fix. The COLVARS library itself is written and maintained by Giacomo
			Fiorin (ICMS, Temple University, Philadelphia, PA, USA) and Jerome
			Henin (LISM, CNRS, Marseille, France). Contact them directly if you
			have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-diffraction-package">
			<span id="user-diffraction"></span><h3>4.2.5. USER-DIFFRACTION package</h3>
			<p>Contents: This packages implements two computes and a fix for
			calculating x-ray and electron diffraction intensities based on
			kinematic diffraction theory. See src/USER-DIFFRACTION/README for
			more details.</p>
			<p>Supporting info: <a class="reference internal" href="compute_saed.html"><span class="doc">compute saed</span></a>, <a class="reference internal" href="compute_xrd.html"><span class="doc">compute xrd</span></a>, <a class="reference internal" href="fix_saed_vtk.html"><span class="doc">fix saed.vtk</span></a>,
			examples/USER/diffraction</p>
			<p>Author: Shawn P. Coleman (shawn.p.coleman8.ctr at mail.mil) while at
			the University of Arkansas. Contact him directly if you have
			questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-dpd-package">
			<span id="user-dpd"></span><h3>4.2.6. USER-DPD package</h3>
			<p>Contents: DPD stands for dissipative particle dynamics, This package
			implements DPD for isothermal, isoenergetic, isobaric and isenthalpic
			conditions. The DPD equations of motion are integrated efficiently
			through the Shardlow splitting algorithm. See src/USER-DPD/README for
			more details.</p>
			<p>Supporting info: /src/USER-DPD/README, <a class="reference internal" href="compute_dpd.html"><span class="doc">compute dpd</span></a>
			<a class="reference internal" href="compute_dpd_atom.html"><span class="doc">compute dpd/atom</span></a>
			<a class="reference internal" href="fix_eos_table.html"><span class="doc">fix eos/cv</span></a> <a class="reference internal" href="fix_eos_table.html"><span class="doc">fix eos/table</span></a>
			<a class="reference internal" href="fix_shardlow.html"><span class="doc">fix shardlow</span></a>
			<span class="xref doc">pair_dpd/conservative</span>
			<a class="reference internal" href="pair_dpd_fdt.html"><span class="doc">pair_dpd/fdt</span></a>
			<a class="reference internal" href="pair_dpd_fdt.html"><span class="doc">pair_dpd/fdt/energy</span></a>, examples/USER/dpd</p>
			<p>Authors: James Larentzos (ARL) (james.p.larentzos.civ at mail.mil),
			Timothy Mattox (Engility Corp) (Timothy.Mattox at engilitycorp.com)
			and John Brennan (ARL) (john.k.brennan.civ at mail.mil). Contact them
			directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-drude-package">
			<span id="user-drude"></span><h3>4.2.7. USER-DRUDE package</h3>
			<p>Contents: This package contains methods for simulating polarizable
			systems using thermalized Drude oscillators. It has computes, fixes,
			and pair styles for this purpose. See <a class="reference internal" href="Section_howto.html#howto-27"><span class="std std-ref">Section howto 6.27</span></a> for an overview of how to use the
			package. See src/USER-DRUDE/README for additional details. There are
			auxiliary tools for using this package in tools/drude.</p>
			<p>Supporting info: <a class="reference internal" href="Section_howto.html#howto-27"><span class="std std-ref">Section howto 6.27</span></a>,
			src/USER-DRUDE/README, <a class="reference internal" href="fix_drude.html"><span class="doc">fix drude</span></a>, <a class="reference internal" href="fix_drude_transform.html"><span class="doc">fix drude/transform/*</span></a>, <a class="reference internal" href="compute_temp_drude.html"><span class="doc">compute temp/drude</span></a>, <a class="reference internal" href="pair_thole.html"><span class="doc">pair thole</span></a>,
			<a class="reference internal" href="pair_thole.html"><span class="doc">pair lj/cut/thole/long</span></a>, examples/USER/drude,
			tools/drude</p>
			<p>Authors: Alain Dequidt at Universite Blaise Pascal Clermont-Ferrand
			(alain.dequidt at univ-bpclermont.fr); co-authors: Julien Devemy,
			Agilio Padua. Contact them directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-eff-package">
			<span id="user-eff"></span><h3>4.2.8. USER-EFF package</h3>
			<p>Contents: EFF stands for electron force field. This package contains
			atom, pair, fix and compute styles which implement the eFF as
			described in A. Jaramillo-Botero, J. Su, Q. An, and W.A. Goddard III,
			JCC, 2010. The eFF potential was first introduced by Su and Goddard,
			in 2007. See src/USER-EFF/README for more details. There are
			auxiliary tools for using this package in tools/eff; see its README
			file.</p>
			<p>Supporting info:</p>
			<p>Author: Andres Jaramillo-Botero at CalTech (ajaramil at
			wag.caltech.edu). Contact him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-fep-package">
			<span id="user-fep"></span><h3>4.2.9. USER-FEP package</h3>
			<p>Contents: FEP stands for free energy perturbation. This package
			provides methods for performing FEP simulations by using a <a class="reference internal" href="fix_adapt_fep.html"><span class="doc">fix adapt/fep</span></a> command with soft-core pair potentials,
			which have a “soft” in their style name. See src/USER-FEP/README for
			more details. There are auxiliary tools for using this package in
			tools/fep; see its README file.</p>
			<p>Supporting info: src/USER-FEP/README, <a class="reference internal" href="fix_adapt_fep.html"><span class="doc">fix adapt/fep</span></a>, <a class="reference internal" href="compute_fep.html"><span class="doc">compute fep</span></a>,
			<a class="reference internal" href="pair_lj_soft.html"><span class="doc">pair_style */soft</span></a>, examples/USER/fep</p>
			<p>Author: Agilio Padua at Universite Blaise Pascal Clermont-Ferrand
			(agilio.padua at univ-bpclermont.fr). Contact him directly if you have
			questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-h5md-package">
			<span id="user-h5md"></span><h3>4.2.10. USER-H5MD package</h3>
			<p>Contents: H5MD stands for HDF5 for MD. <a class="reference external" href="http://www.hdfgroup.org/HDF5/">HDF5</a> is a binary,
			portable, self-describing file format, used by many scientific
			simulations. H5MD is a format for molecular simulations, built on top
			of HDF5. This package implements a <a class="reference internal" href="dump_h5md.html"><span class="doc">dump h5md</span></a> command
			to output LAMMPS snapshots in this format. See src/USER-H5MD/README
			for more details.</p>
			<p>Supporting info: src/USER-H5MD/README, lib/h5md/README, <a class="reference internal" href="dump_h5md.html"><span class="doc">dump h5md</span></a></p>
			<p>Author: Pierre de Buyl at KU Leuven (see <a class="reference external" href="http://pdebuyl.be">http://pdebuyl.be</a>) created
			this package as well as the H5MD format and library. Contact him
			directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-intel-package">
			<span id="user-intel"></span><h3>4.2.11. USER-INTEL package</h3>
			<p>Contents: Dozens of pair, bond, angle, dihedral, and improper styles
			that are optimized for Intel CPUs and the Intel Xeon Phi (in offload
			mode). All of them have an “intel” in their style name. <a class="reference internal" href="accelerate_intel.html"><span class="doc">Section accelerate intel</span></a> gives details of what hardware
			and compilers are required on your system, and how to build and use
			this package. Also see src/USER-INTEL/README for more details. See
			the KOKKOS, OPT, and USER-OMP packages, which also have CPU and
			Phi-enabled styles.</p>
			<p>Supporting info: examples/accelerate, src/USER-INTEL/TEST</p>
			<p><span class="xref std std-ref">Section_accelerate</span></p>
			<p>Author: Mike Brown at Intel (michael.w.brown at intel.com). Contact
			him directly if you have questions.</p>
			<p>For the USER-INTEL package, you have 2 choices when building. You can
			build with CPU or Phi support. The latter uses Xeon Phi chips in
			“offload” mode. Each of these modes requires additional settings in
			your Makefile.machine for CCFLAGS and LINKFLAGS.</p>
			<p>For CPU mode (if using an Intel compiler):</p>
			<ul class="simple">
			<li>CCFLAGS: add -fopenmp, -DLAMMPS_MEMALIGN=64, -restrict, -xHost, -fno-alias, -ansi-alias, -override-limits</li>
			<li>LINKFLAGS: add -fopenmp</li>
			</ul>
			<p>For Phi mode add the following in addition to the CPU mode flags:</p>
			<ul class="simple">
			<li>CCFLAGS: add -DLMP_INTEL_OFFLOAD and</li>
			<li>LINKFLAGS: add -offload</li>
			</ul>
			<p>And also add this to CCFLAGS:</p>
			<pre class="literal-block">
			-offload-option,mic,compiler,"-fp-model fast=2 -mGLOB_default_function_attrs="gather_scatter_loop_unroll=4""
			</pre>
			<p>Examples:</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-lb-package">
			<span id="user-lb"></span><h3>4.2.12. USER-LB package</h3>
			<p>Supporting info:</p>
			<p>This package contains a LAMMPS implementation of a background
			Lattice-Boltzmann fluid, which can be used to model MD particles
			influenced by hydrodynamic forces.</p>
			<p>See this doc page and its related commands to get started:</p>
			<p><a class="reference internal" href="fix_lb_fluid.html"><span class="doc">fix lb/fluid</span></a></p>
			<p>The people who created this package are Frances Mackay (fmackay at
			uwo.ca) and Colin (cdennist at uwo.ca) Denniston, University of
			Western Ontario. Contact them directly if you have questions.</p>
			<p>Examples: examples/USER/lb</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-mgpt-package">
			<span id="user-mgpt"></span><h3>4.2.13. USER-MGPT package</h3>
			<p>Supporting info:</p>
			<p>This package contains a fast implementation for LAMMPS of
			quantum-based MGPT multi-ion potentials. The MGPT or model GPT method
			derives from first-principles DFT-based generalized pseudopotential
			theory (GPT) through a series of systematic approximations valid for
			mid-period transition metals with nearly half-filled d bands. The
			MGPT method was originally developed by John Moriarty at Lawrence
			Livermore National Lab (LLNL).</p>
			<p>In the general matrix representation of MGPT, which can also be
			applied to f-band actinide metals, the multi-ion potentials are
			evaluated on the fly during a simulation through d- or f-state matrix
			multiplication, and the forces that move the ions are determined
			analytically. The <em>mgpt</em> pair style in this package calculates forces
			and energies using an optimized matrix-MGPT algorithm due to Tomas
			Oppelstrup at LLNL.</p>
			<p>See this doc page to get started:</p>
			<p><a class="reference internal" href="pair_mgpt.html"><span class="doc">pair_style mgpt</span></a></p>
			<p>The persons who created the USER-MGPT package are Tomas Oppelstrup
			(<a class="reference external" href="mailto:oppelstrup2%40llnl.gov">oppelstrup2<span>@</span>llnl<span>.</span>gov</a>) and John Moriarty (<a class="reference external" href="mailto:moriarty2%40llnl.gov">moriarty2<span>@</span>llnl<span>.</span>gov</a>)
			Contact them directly if you have any questions.</p>
			<p>Examples: examples/USER/mgpt</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-misc-package">
			<span id="user-misc"></span><h3>4.2.14. USER-MISC package</h3>
			<p>Supporting info:</p>
			<p>The files in this package are a potpourri of (mostly) unrelated
			features contributed to LAMMPS by users. Each feature is a single
			pair of files (<a href="#id2"><span class="problematic" id="id3"></span></a>.cpp and <a href="#id4"><span class="problematic" id="id5"></span></a>.h).</p>
			<p>More information about each feature can be found by reading its doc
			page in the LAMMPS doc directory. The doc page which lists all LAMMPS
			input script commands is as follows:</p>
			<p><a class="reference internal" href="Section_commands.html#cmd-5"><span class="std std-ref">Section_commands</span></a></p>
			<p>User-contributed features are listed at the bottom of the fix,
			compute, pair, etc sections.</p>
			<p>The list of features and author of each is given in the
			src/USER-MISC/README file.</p>
			<p>You should contact the author directly if you have specific questions
			about the feature or its coding.</p>
			<p>Examples: examples/USER/misc</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-manifold-package">
			<span id="user-manifold"></span><h3>4.2.15. USER-MANIFOLD package</h3>
			<p>Supporting info:</p>
			<p>This package contains a dump molfile command which uses molfile
			plugins that are bundled with the
			<a class="reference external" href="http://www.ks.uiuc.edu/Research/vmd">VMD</a> molecular visualization and
			analysis program, to enable LAMMPS to dump its information in formats
			compatible with various molecular simulation tools.</p>
			<p>This package allows LAMMPS to perform MD simulations of particles
			constrained on a manifold (i.e., a 2D subspace of the 3D simulation
			box). It achieves this using the RATTLE constraint algorithm applied
			to single-particle constraint functions g(xi,yi,zi) = 0 and their
			derivative (i.e. the normal of the manifold) n = grad(g).</p>
			<p>See this doc page to get started:</p>
			<p><a class="reference internal" href="fix_manifoldforce.html"><span class="doc">fix manifoldforce</span></a></p>
			<p>The person who created this package is Stefan Paquay, at the Eindhoven
			University of Technology (TU/e), The Netherlands (s.paquay at tue.nl).
			Contact him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-molfile-package">
			<span id="user-molfile"></span><h3>4.2.16. USER-MOLFILE package</h3>
			<p>Supporting info:</p>
			<p>This package contains a dump molfile command which uses molfile
			plugins that are bundled with the
			<a class="reference external" href="http://www.ks.uiuc.edu/Research/vmd">VMD</a> molecular visualization and
			analysis program, to enable LAMMPS to dump its information in formats
			compatible with various molecular simulation tools.</p>
			<p>The package only provides the interface code, not the plugins. These
			can be obtained from a VMD installation which has to match the
			platform that you are using to compile LAMMPS for. By adding plugins
			to VMD, support for new file formats can be added to LAMMPS (or VMD or
			other programs that use them) without having to recompile the
			application itself.</p>
			<p>See this doc page to get started:</p>
			<p><span class="xref std std-ref">dump molfile</span></p>
			<p>The person who created this package is Axel Kohlmeyer at Temple U
			(akohlmey at gmail.com). Contact him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-omp-package">
			<span id="user-omp"></span><h3>4.2.17. USER-OMP package</h3>
			<p>Supporting info:</p>
			<p>This package provides OpenMP multi-threading support and
			other optimizations of various LAMMPS pair styles, dihedral
			styles, and fix styles.</p>
			<p>See this section of the manual to get started:</p>
			<p><span class="xref std std-ref">Section_accelerate</span></p>
			<p>The person who created this package is Axel Kohlmeyer at Temple U
			(akohlmey at gmail.com). Contact him directly if you have questions.</p>
			<p>For the USER-OMP package, your Makefile.machine needs additional
			settings for CCFLAGS and LINKFLAGS.</p>
			<ul class="simple">
			<li>CCFLAGS: add -fopenmp and -restrict</li>
			<li>LINKFLAGS: add -fopenmp</li>
			</ul>
			<p>Examples: examples/accelerate, bench/KEPLER</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-phonon-package">
			<span id="user-phonon"></span><h3>4.2.18. USER-PHONON package</h3>
			<p>This package contains a fix phonon command that calculates dynamical
			matrices, which can then be used to compute phonon dispersion
			relations, directly from molecular dynamics simulations.</p>
			<p>See this doc page to get started:</p>
			<p><a class="reference internal" href="fix_phonon.html"><span class="doc">fix phonon</span></a></p>
			<p>The person who created this package is Ling-Ti Kong (konglt at
			sjtu.edu.cn) at Shanghai Jiao Tong University. Contact him directly
			if you have questions.</p>
			<p>Examples: examples/USER/phonon</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-qmmm-package">
			<span id="user-qmmm"></span><h3>4.2.19. USER-QMMM package</h3>
			<p>Supporting info:</p>
			<p>This package provides a fix qmmm command which allows LAMMPS to be
			used in a QM/MM simulation, currently only in combination with pw.x
			code from the <a class="reference external" href="http://www.quantum-espresso.org">Quantum ESPRESSO</a> package.</p>
			<p>The current implementation only supports an ONIOM style mechanical
			coupling to the Quantum ESPRESSO plane wave DFT package.
			Electrostatic coupling is in preparation and the interface has been
			written in a manner that coupling to other QM codes should be possible
			without changes to LAMMPS itself.</p>
			<p>See this doc page to get started:</p>
			<p><a class="reference internal" href="fix_qmmm.html"><span class="doc">fix qmmm</span></a></p>
			<p>as well as the lib/qmmm/README file.</p>
			<p>The person who created this package is Axel Kohlmeyer at Temple U
			(akohlmey at gmail.com). Contact him directly if you have questions.</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-qtb-package">
			<span id="user-qtb"></span><h3>4.2.20. USER-QTB package</h3>
			<p>Supporting info:</p>
			<p>This package provides a self-consistent quantum treatment of the
			vibrational modes in a classical molecular dynamics simulation. By
			coupling the MD simulation to a colored thermostat, it introduces zero
			point energy into the system, alter the energy power spectrum and the
			heat capacity towards their quantum nature. This package could be of
			interest if one wants to model systems at temperatures lower than
			their classical limits or when temperatures ramp up across the
			classical limits in the simulation.</p>
			<p>See these two doc pages to get started:</p>
			<p><a class="reference internal" href="fix_qtb.html"><span class="doc">fix qtb</span></a> provides quantum nulcear correction through a
			colored thermostat and can be used with other time integration schemes
			like <a class="reference internal" href="fix_nve.html"><span class="doc">fix nve</span></a> or <a class="reference internal" href="fix_nh.html"><span class="doc">fix nph</span></a>.</p>
			<p><a class="reference internal" href="fix_qbmsst.html"><span class="doc">fix qbmsst</span></a> enables quantum nuclear correction of a
			multi-scale shock technique simulation by coupling the quantum thermal
			bath with the shocked system.</p>
			<p>The person who created this package is Yuan Shen (sy0302 at
			stanford.edu) at Stanford University. Contact him directly if you
			have questions.</p>
			<p>Examples: examples/USER/qtb</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-quip-package">
			<span id="user-quip"></span><h3>4.2.21. USER-QUIP package</h3>
			<p>Supporting info:</p>
			<p>Examples: examples/USER/quip</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-reaxc-package">
			<span id="user-reaxc"></span><h3>4.2.22. USER-REAXC package</h3>
			<p>Supporting info:</p>
			<p>This package contains a implementation for LAMMPS of the ReaxFF force
			field. ReaxFF uses distance-dependent bond-order functions to
			represent the contributions of chemical bonding to the potential
			energy. It was originally developed by Adri van Duin and the Goddard
			group at CalTech.</p>
			<p>The USER-REAXC version of ReaxFF (pair_style reax/c), implemented in
			C, should give identical or very similar results to pair_style reax,
			which is a ReaxFF implementation on top of a Fortran library, a
			version of which library was originally authored by Adri van Duin.</p>
			<p>The reax/c version should be somewhat faster and more scalable,
			particularly with respect to the charge equilibration calculation. It
			should also be easier to build and use since there are no complicating
			issues with Fortran memory allocation or linking to a Fortran library.</p>
			<p>For technical details about this implemention of ReaxFF, see
			this paper:</p>
			<p>Parallel and Scalable Reactive Molecular Dynamics: Numerical Methods
			and Algorithmic Techniques, H. M. Aktulga, J. C. Fogarty,
			S. A. Pandit, A. Y. Grama, Parallel Computing, in press (2011).</p>
			<p>See the doc page for the pair_style reax/c command for details
			of how to use it in LAMMPS.</p>
			<p>The person who created this package is Hasan Metin Aktulga (hmaktulga
			at lbl.gov), while at Purdue University. Contact him directly, or
			Aidan Thompson at Sandia (athomps at sandia.gov), if you have
			questions.</p>
			<p>Examples: examples/reax</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-smd-package">
			<span id="user-smd"></span><h3>4.2.23. USER-SMD package</h3>
			<p>Supporting info:</p>
			<p>This package implements smoothed Mach dynamics (SMD) in
			LAMMPS. Currently, the package has the following features:</p>
			<ul class="simple">
			<li>Does liquids via traditional Smooth Particle Hydrodynamics (SPH)</li>
			<li>Also solves solids mechanics problems via a state of the art
			stabilized meshless method with hourglass control.</li>
			<li>Can specify hydrostatic interactions independently from material
			strength models, i.e. pressure and deviatoric stresses are separated.</li>
			<li>Many material models available (Johnson-Cook, plasticity with
			hardening, Mie-Grueneisen, Polynomial EOS). Easy to add new
			material models.</li>
			<li>Rigid boundary conditions (walls) can be loaded as surface geometries
			from <a href="#id8"><span class="problematic" id="id9">*</span></a>.STL files.</li>
			</ul>
			<p>See the file doc/PDF/SMD_LAMMPS_userguide.pdf to get started.</p>
			<p>There are example scripts for using this package in examples/USER/smd.</p>
			<p>The person who created this package is Georg Ganzenmuller at the
			Fraunhofer-Institute for High-Speed Dynamics, Ernst Mach Institute in
			Germany (georg.ganzenmueller at emi.fhg.de). Contact him directly if
			you have questions.</p>
			<p>Examples: examples/USER/smd</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-smtbq-package">
			<span id="user-smtbq"></span><h3>4.2.24. USER-SMTBQ package</h3>
			<p>Supporting info:</p>
			<p>This package implements the Second Moment Tight Binding - QEq (SMTB-Q)
			potential for the description of ionocovalent bonds in oxides.</p>
			<p>There are example scripts for using this package in
			examples/USER/smtbq.</p>
			<p>See this doc page to get started:</p>
			<p><a class="reference internal" href="pair_smtbq.html"><span class="doc">pair_style smtbq</span></a></p>
			<p>The persons who created the USER-SMTBQ package are Nicolas Salles,
			Emile Maras, Olivier Politano, Robert Tetot, who can be contacted at
			these email addreses: <a class="reference external" href="mailto:lammps%40u-bourgogne.fr">lammps<span>@</span>u-bourgogne<span>.</span>fr</a>, <a class="reference external" href="mailto:nsalles%40laas.fr">nsalles<span>@</span>laas<span>.</span>fr</a>. Contact
			them directly if you have any questions.</p>
			<p>Examples: examples/USER/smtbq</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-sph-package">
			<span id="user-sph"></span><h3>4.2.25. USER-SPH package</h3>
			<p>Supporting info:</p>
			<p>This package implements smoothed particle hydrodynamics (SPH) in
			LAMMPS. Currently, the package has the following features:</p>
			<ul class="simple">
			<li>Tait, ideal gas, Lennard-Jones equation of states, full support for
			complete (i.e. internal-energy dependent) equations of state</li>
			<li>Plain or Monaghans XSPH integration of the equations of motion</li>
			<li>Density continuity or density summation to propagate the density field</li>
			<li>Commands to set internal energy and density of particles from the
			input script</li>
			<li>Output commands to access internal energy and density for dumping and
			thermo output</li>
			</ul>
			<p>See the file doc/PDF/SPH_LAMMPS_userguide.pdf to get started.</p>
			<p>There are example scripts for using this package in examples/USER/sph.</p>
			<p>The person who created this package is Georg Ganzenmuller at the
			Fraunhofer-Institute for High-Speed Dynamics, Ernst Mach Institute in
			Germany (georg.ganzenmueller at emi.fhg.de). Contact him directly if
			you have questions.</p>
			<p>Examples: examples/USER/sph</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-tally-package">
			<span id="user-tally"></span><h3>4.2.26. USER-TALLY package</h3>
			<p>Supporting info:</p>
			<p>Examples: examples/USER/tally</p>
			<hr class="docutils" />
			</div>
			<div class="section" id="user-vtk-package">
			<span id="user-vtk"></span><h3>4.2.27. USER-VTK package</h3>
			</div>
			</div>
			</div>


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