git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@673 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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@ -33,6 +33,22 @@ proportional to the diffusion coefficient of the diffusing atoms. The
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"origin" of the displacement for each atom is its position at the time
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the fix command was issued. Write the results to the specified file.
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</P>
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<P><B>Restart, fix_modify, thermo output, run start/stop, minimize info:</B>
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</P>
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<P>This fix writes the original coordinates of diffusing atoms to <A HREF = "restart.html">binary
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restart files</A>, so that the mean-squared displacement
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will be accurate in a restarted simulation. See the
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<A HREF = "read_restart.html">read_restart</A> command for info on how to re-specify
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a fix in an input script that reads a restart file, so that the
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operation of the fix continues in an uninterrupted fashion.
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</P>
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<P>None of the <A HREF = "fix_modify.html">fix_modify</A> options are relevant to this
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fix. No quantities calculated by this fix can be output by the
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<A HREF = "thermo_style.html">thermo_style custom</A> command. No parameter of this
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fix can be used with the <I>start/stop</I> keywords of the <A HREF = "run.html">run</A>
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command. This fix is not invoked during <A HREF = "minimize.html">energy
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minimization</A>.
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</P>
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<P><B>Restrictions:</B> none
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</P>
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<P><B>Related commands:</B> none
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