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<CENTER><A HREF = "http://lammps.sandia.gov">LAMMPS WWW Site</A> - <A HREF = "Manual.html">LAMMPS Documentation</A> - <A HREF = "Section_commands.html#comm">LAMMPS Commands</A>
</CENTER>
<HR>
<H3>compute damage/atom command
</H3>
<P><B>Syntax:</B>
</P>
<PRE>compute ID group-ID damage/atom
</PRE>
<UL><LI>ID, group-ID are documented in <A HREF = "compute.html">compute</A> command
<LI>damage/atom = style name of this compute command
</UL>
<P><B>Examples:</B>
</P>
<PRE>compute 1 all damage/atom
</PRE>
<P><B>Description:</B>
</P>
<P>Define a computation that calculates the per-atom damage for each atom
in a group. Please see the <A HREF = "http://www.sandia.gov/~mlparks/papers/PDLAMMPS.pdf">PDLAMMPS user
guide</A> for a formal
definition of "damage" and more details about Peridynamics as it is
implemented in LAMMPS.
</P>
<P>The value of the damage will be 0.0 for atoms not in the specified
compute group.
</P>
<P><B>Output info:</B>
</P>
<P>This compute calculates a per-atom vector, which can be accessed by
any command that uses per-atom values from a compute as input. See
<A HREF = "Section_howto.html#howto_15">Section_howto 15</A> for an overview of
LAMMPS output options.
</P>
<P>The per-atom vector values will be a number >= 0.0, as explained
above.
</P>
<P><B>Restrictions:</B>
</P>
<P>This compute is part of the PERI package. It is only enabled if
LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
LAMMPS</A> section for more info.
</P>
<P><B>Related commands:</B>
</P>
<P><A HREF = "dump.html">dump custom</A>
</P>
<P><B>Default:</B> none
</P>
</HTML>
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