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<div class="section" id="pair-style-sph-heatconduction-command">
<span id="index-0"></span><h1>pair_style sph/heatconduction command</h1>
<div class="section" id="syntax">
<h2>Syntax</h2>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">pair_style</span> <span class="n">sph</span><span class="o">/</span><span class="n">heatconduction</span>
</pre></div>
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</div>
<div class="section" id="examples">
<h2>Examples</h2>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">pair_style</span> <span class="n">sph</span><span class="o">/</span><span class="n">heatconduction</span>
<span class="n">pair_coeff</span> <span class="o">*</span> <span class="o">*</span> <span class="mf">1.0</span> <span class="mf">2.4</span>
</pre></div>
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<div class="section" id="description">
<h2>Description</h2>
<p>The sph/heatconduction style computes heat transport between SPH particles.
The transport model is the diffusion euqation for the internal energy.</p>
<p>See <a class="reference external" href="USER/sph/SPH_LAMMPS_userguide.pdf">this PDF guide</a> to using SPH in
LAMMPS.</p>
<p>The following coefficients must be defined for each pair of atoms
types via the <a class="reference internal" href="pair_coeff.html"><span class="doc">pair_coeff</span></a> command as in the examples
above.</p>
<ul class="simple">
<li>D diffusion coefficient (length^2/time units)</li>
<li>h kernel function cutoff (distance units)</li>
</ul>
<hr class="docutils" />
<p><strong>Mixing, shift, table, tail correction, restart, rRESPA info</strong>:</p>
<p>This style does not support mixing. Thus, coefficients for all
I,J pairs must be specified explicitly.</p>
<p>This style does not support the <a class="reference internal" href="pair_modify.html"><span class="doc">pair_modify</span></a>
shift, table, and tail options.</p>
<p>This style does not write information to <a class="reference internal" href="restart.html"><span class="doc">binary restart files</span></a>. Thus, you need to re-specify the pair_style and
pair_coeff commands in an input script that reads a restart file.</p>
<p>This style can only be used via the <em>pair</em> keyword of the <a class="reference internal" href="run_style.html"><span class="doc">run_style respa</span></a> command. It does not support the <em>inner</em>,
<em>middle</em>, <em>outer</em> keywords.</p>
</div>
<div class="section" id="restrictions">
<h2>Restrictions</h2>
<p>This pair style is part of the USER-SPH package. It is only enabled
if LAMMPS was built with that package. See the <a class="reference internal" href="Section_start.html#start-3"><span class="std std-ref">Making LAMMPS</span></a> section for more info.</p>
</div>
<div class="section" id="related-commands">
<h2>Related commands</h2>
<p><a class="reference internal" href="pair_coeff.html"><span class="doc">pair_coeff</span></a>, pair_sph/rhosum</p>
<p><strong>Default:</strong> none</p>
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