2006-09-22 00:22:34 +08:00
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"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c
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:link(lws,http://lammps.sandia.gov)
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:link(ld,Manual.html)
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:link(lc,Section_commands.html#comm)
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:line
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fix enforce2d command :h3
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[Syntax:]
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fix ID group-ID enforce2d :pre
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ID, group-ID are documented in "fix"_fix.html command
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enforce2d = style name of this fix command :ul
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[Examples:]
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fix 5 all enforce2d :pre
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[Description:]
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Zero out the z-dimension velocity and force on each atom in the group.
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This is useful when running a 2d simulation to insure that atoms do
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not move from their initial z coordinate.
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2007-10-11 06:28:11 +08:00
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[Restart, fix_modify, output, run start/stop, minimize info:]
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2007-06-26 08:03:39 +08:00
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No information about this fix is written to "binary restart
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files"_restart.html. None of the "fix_modify"_fix_modify.html options
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2010-04-03 00:51:06 +08:00
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are relevant to this fix. No global or per-atom quantities are stored
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by this fix for access by various "output
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2007-10-11 06:28:11 +08:00
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commands"_Section_howto.html#4_15. No parameter of this fix can be
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used with the {start/stop} keywords of the "run"_run.html command.
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2007-06-26 08:03:39 +08:00
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The forces due to this fix are imposed during an energy minimization,
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invoked by the "minimize"_minimize.html command.
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2006-09-22 00:22:34 +08:00
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[Restrictions:] none
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[Related commands:] none
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[Default:] none
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