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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@3029 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2009-08-08 22:03:37 +00:00
parent cbdd9523d4
commit c48d615e7d
4 changed files with 64 additions and 16 deletions
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21
doc/fix_addforce.html
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@ -13,11 +13,22 @@
</H3>
<P><B>Syntax:</B>
</P>
<PRE>fix ID group-ID addforce fx fy fz
<PRE>fix ID group-ID addforce fx fy fz keyword value ...
</PRE>
<UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command
<LI>addforce = style name of this fix command
<UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command
<LI>addforce = style name of this fix command
<LI>fx,fy,fz = force component values (force units)
<LI>zero or more keyword/value pairs may be appended to args
<LI>keyword = <I>region</I>
<PRE> <I>region</I> value = region-ID
region-ID = ID of region atoms must be in to have added force
</PRE>
</UL>
<P><B>Examples:</B>
</P>
@ -30,6 +41,10 @@ the group. This command can be used to give an additional push to
atoms in a simulation, such as for a simulation of Poiseuille flow in
a channel.
</P>
<P>If the <I>region</I> keyword is used, the atom must also be in the
specified geometric <A HREF = "region.html">region</A> in order to have force added
to it.
</P>
<P><B>Restart, fix_modify, output, run start/stop, minimize info:</B>
</P>
<P>No information about this fix is written to <A HREF = "restart.html">binary restart