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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@2091 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2008-08-21 14:03:21 +00:00
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doc/communicate.html
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@ -59,14 +59,14 @@ specified group) will still migrate to new processors as they move.
The group specified with this option must also be specified via the
<A HREF = "atom_modify.html">atom_modify first</A> command.
</P>
<P>The <I>cutoff</I> option allows you to set a ghost cutoff distance which is
the distance from the borders of a processor's sub-domain at which
<P>The <I>cutoff</I> option allows you to set a ghost cutoff distance, which
is the distance from the borders of a processor's sub-domain at which
ghost atoms are acquired from other processors. By default the ghost
cutoff = the neighbor cutoff = the pairwise force cutoff + the
neighbor skin. See the <A HREF = "neighbor.html">neighbor</A> command for more
information about the skin distance. If the specified Rcut is greater
than the neighbor cutoff, then extra ghost atoms will be acquired. If
it is smaller, the ghost cutoff is set to the neighbor cutoff.
cutoff = neighbor cutoff = pairwise force cutoff + neighbor skin. See
the <A HREF = "neighbor.html">neighbor</A> command for more information about the
skin distance. If the specified Rcut is greater than the neighbor
cutoff, then extra ghost atoms will be acquired. If it is smaller,
the ghost cutoff is set to the neighbor cutoff.
</P>
<P>These are simulation scenarios in which it may be useful to set a
ghost cutoff > neighbor cutoff:
@ -107,5 +107,7 @@ find the needed atoms.
<P><B>Default:</B>
</P>
<P>The default settings are style = single, group = all, cutoff = 0.0.
The cutoff default of 0.0 means that effectively ghost cutoff =
neighbor cutoff = pairwise force cutoff + neighbor skin.
</P>
</HTML>