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Tue, Feb 18, 20:04
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rLAMMPS lammps
compute_etotal_atom.html
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<HTML>
<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 etotal/atom command
</H3>
<P><B>
Syntax:
</B>
</P>
<PRE>
compute ID group-ID etotal/atom compute-ID
</PRE>
<UL><LI>
ID, group-ID are documented in
<A
HREF =
"compute.html"
>
compute
</A>
command
<LI>
etotal/atom = style name of this compute command
<LI>
compute-ID = ID of compute that calculates per-atom pairwise energy
</UL>
<P><B>
Examples:
</B>
</P>
<PRE>
compute 1 all etotal/atom atomEng
</PRE>
<P><B>
Description:
</B>
</P>
<P>
Define a computation that computes the total energy (kinetic +
pairwise) for each atom in a group. This can be output via the
<A
HREF =
"dump.html"
>
dump
custom
</A>
command.
</P>
<P>
The kinetic energy for each atom is computed the same way as in the
<A
HREF =
"compute_ke_atom.html"
>
compute ke/atom
</A>
command, namely as 1/2 m v^2.
</P>
<P>
The pairwise energy is not calculated by this compute, but rather by
the
<A
HREF =
"compute_epair_atom.html"
>
epair/atom compute
</A>
specified as the last
argument of the command.
</P>
<P>
Note that the total energy per atom as defined here does not include
contributions due to bonds, angles, etc that the atom is part of.
</P>
<P><B>
Restrictions:
</B>
none
</P>
<P><B>
Related commands:
</B>
</P>
<P><A
HREF =
"compute_epair_atom.html"
>
compute epair/atom
</A>
</P>
<P><B>
Default:
</B>
none
</P>
</HTML>
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