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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@11609 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2014-03-10 15:21:49 +00:00
parent 481778cb31
commit 6a0abc7bfb
6 changed files with 139 additions and 9 deletions
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14
doc/Section_commands.html
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@ -399,13 +399,13 @@ of each style or click on the style itself for a full description:
<TR ALIGN="center"><TD ><A HREF = "fix_gld.html">gld</A></TD><TD ><A HREF = "fix_gravity.html">gravity</A></TD><TD ><A HREF = "fix_heat.html">heat</A></TD><TD ><A HREF = "fix_indent.html">indent</A></TD><TD ><A HREF = "fix_langevin.html">langevin</A></TD><TD ><A HREF = "fix_lineforce.html">lineforce</A></TD><TD ><A HREF = "fix_momentum.html">momentum</A></TD><TD ><A HREF = "fix_move.html">move</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_msst.html">msst</A></TD><TD ><A HREF = "fix_neb.html">neb</A></TD><TD ><A HREF = "fix_nh.html">nph</A></TD><TD ><A HREF = "fix_nphug.html">nphug</A></TD><TD ><A HREF = "fix_nph_asphere.html">nph/asphere</A></TD><TD ><A HREF = "fix_nph_sphere.html">nph/sphere</A></TD><TD ><A HREF = "fix_nh.html">npt</A></TD><TD ><A HREF = "fix_npt_asphere.html">npt/asphere</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_npt_sphere.html">npt/sphere</A></TD><TD ><A HREF = "fix_nve.html">nve</A></TD><TD ><A HREF = "fix_nve_asphere.html">nve/asphere</A></TD><TD ><A HREF = "fix_nve_asphere_noforce.html">nve/asphere/noforce</A></TD><TD ><A HREF = "fix_nve_body.html">nve/body</A></TD><TD ><A HREF = "fix_nve_limit.html">nve/limit</A></TD><TD ><A HREF = "fix_nve_line.html">nve/line</A></TD><TD ><A HREF = "fix_nve_noforce.html">nve/noforce</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_nve_sphere.html">nve/sphere</A></TD><TD ><A HREF = "fix_nve_tri.html">nve/tri</A></TD><TD ><A HREF = "fix_nh.html">nvt</A></TD><TD ><A HREF = "fix_nvt_asphere.html">nvt/asphere</A></TD><TD ><A HREF = "fix_nvt_sllod.html">nvt/sllod</A></TD><TD ><A HREF = "fix_nvt_sphere.html">nvt/sphere</A></TD><TD ><A HREF = "fix_orient_fcc.html">orient/fcc</A></TD><TD ><A HREF = "fix_planeforce.html">planeforce</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_poems.html">poems</A></TD><TD ><A HREF = "fix_pour.html">pour</A></TD><TD ><A HREF = "fix_press_berendsen.html">press/berendsen</A></TD><TD ><A HREF = "fix_print.html">print</A></TD><TD ><A HREF = "fix_property_atom.html">property/atom</A></TD><TD ><A HREF = "fix_qeq_comb.html">qeq/comb</A></TD><TD ><A HREF = "fix_reax_bonds.html">reax/bonds</A></TD><TD ><A HREF = "fix_recenter.html">recenter</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_restrain.html">restrain</A></TD><TD ><A HREF = "fix_rigid.html">rigid</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nph</A></TD><TD ><A HREF = "fix_rigid.html">rigid/npt</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nve</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nvt</A></TD><TD ><A HREF = "fix_rigid.html">rigid/small</A></TD><TD ><A HREF = "fix_setforce.html">setforce</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_shake.html">shake</A></TD><TD ><A HREF = "fix_spring.html">spring</A></TD><TD ><A HREF = "fix_spring_rg.html">spring/rg</A></TD><TD ><A HREF = "fix_spring_self.html">spring/self</A></TD><TD ><A HREF = "fix_srd.html">srd</A></TD><TD ><A HREF = "fix_store_force.html">store/force</A></TD><TD ><A HREF = "fix_store_state.html">store/state</A></TD><TD ><A HREF = "fix_temp_berendsen.html">temp/berendsen</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_temp_csvr.html">temp/csvr</A></TD><TD ><A HREF = "fix_temp_rescale.html">temp/rescale</A></TD><TD ><A HREF = "fix_thermal_conductivity.html">thermal/conductivity</A></TD><TD ><A HREF = "fix_tmd.html">tmd</A></TD><TD ><A HREF = "fix_ttm.html">ttm</A></TD><TD ><A HREF = "fix_tune_kspace.html">tune/kspace</A></TD><TD ><A HREF = "fix_vector.html">vector</A></TD><TD ><A HREF = "fix_viscosity.html">viscosity</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_viscous.html">viscous</A></TD><TD ><A HREF = "fix_wall.html">wall/colloid</A></TD><TD ><A HREF = "fix_wall_gran.html">wall/gran</A></TD><TD ><A HREF = "fix_wall.html">wall/harmonic</A></TD><TD ><A HREF = "fix_wall.html">wall/lj1043</A></TD><TD ><A HREF = "fix_wall.html">wall/lj126</A></TD><TD ><A HREF = "fix_wall.html">wall/lj93</A></TD><TD ><A HREF = "fix_wall_piston.html">wall/piston</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_wall_reflect.html">wall/reflect</A></TD><TD ><A HREF = "fix_wall_region.html">wall/region</A></TD><TD ><A HREF = "fix_wall_srd.html">wall/srd</A>
<TR ALIGN="center"><TD ><A HREF = "fix_nve_sphere.html">nve/sphere</A></TD><TD ><A HREF = "fix_nve_tri.html">nve/tri</A></TD><TD ><A HREF = "fix_nh.html">nvt</A></TD><TD ><A HREF = "fix_nvt_asphere.html">nvt/asphere</A></TD><TD ><A HREF = "fix_nvt_sllod.html">nvt/sllod</A></TD><TD ><A HREF = "fix_nvt_sphere.html">nvt/sphere</A></TD><TD ><A HREF = "fix_oneway.html">oneway</A></TD><TD ><A HREF = "fix_orient_fcc.html">orient/fcc</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_planeforce.html">planeforce</A></TD><TD ><A HREF = "fix_poems.html">poems</A></TD><TD ><A HREF = "fix_pour.html">pour</A></TD><TD ><A HREF = "fix_press_berendsen.html">press/berendsen</A></TD><TD ><A HREF = "fix_print.html">print</A></TD><TD ><A HREF = "fix_property_atom.html">property/atom</A></TD><TD ><A HREF = "fix_qeq_comb.html">qeq/comb</A></TD><TD ><A HREF = "fix_reax_bonds.html">reax/bonds</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_recenter.html">recenter</A></TD><TD ><A HREF = "fix_restrain.html">restrain</A></TD><TD ><A HREF = "fix_rigid.html">rigid</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nph</A></TD><TD ><A HREF = "fix_rigid.html">rigid/npt</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nve</A></TD><TD ><A HREF = "fix_rigid.html">rigid/nvt</A></TD><TD ><A HREF = "fix_rigid.html">rigid/small</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_setforce.html">setforce</A></TD><TD ><A HREF = "fix_shake.html">shake</A></TD><TD ><A HREF = "fix_spring.html">spring</A></TD><TD ><A HREF = "fix_spring_rg.html">spring/rg</A></TD><TD ><A HREF = "fix_spring_self.html">spring/self</A></TD><TD ><A HREF = "fix_srd.html">srd</A></TD><TD ><A HREF = "fix_store_force.html">store/force</A></TD><TD ><A HREF = "fix_store_state.html">store/state</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_temp_berendsen.html">temp/berendsen</A></TD><TD ><A HREF = "fix_temp_csvr.html">temp/csvr</A></TD><TD ><A HREF = "fix_temp_rescale.html">temp/rescale</A></TD><TD ><A HREF = "fix_thermal_conductivity.html">thermal/conductivity</A></TD><TD ><A HREF = "fix_tmd.html">tmd</A></TD><TD ><A HREF = "fix_ttm.html">ttm</A></TD><TD ><A HREF = "fix_tune_kspace.html">tune/kspace</A></TD><TD ><A HREF = "fix_vector.html">vector</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_viscosity.html">viscosity</A></TD><TD ><A HREF = "fix_viscous.html">viscous</A></TD><TD ><A HREF = "fix_wall.html">wall/colloid</A></TD><TD ><A HREF = "fix_wall_gran.html">wall/gran</A></TD><TD ><A HREF = "fix_wall.html">wall/harmonic</A></TD><TD ><A HREF = "fix_wall.html">wall/lj1043</A></TD><TD ><A HREF = "fix_wall.html">wall/lj126</A></TD><TD ><A HREF = "fix_wall.html">wall/lj93</A></TD></TR>
<TR ALIGN="center"><TD ><A HREF = "fix_wall_piston.html">wall/piston</A></TD><TD ><A HREF = "fix_wall_reflect.html">wall/reflect</A></TD><TD ><A HREF = "fix_wall_region.html">wall/region</A></TD><TD ><A HREF = "fix_wall_srd.html">wall/srd</A>
</TD></TR></TABLE></DIV>
<P>These are fix styles contributed by users, which can be used if

1
doc/Section_commands.txt
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@ -513,6 +513,7 @@ of each style or click on the style itself for a full description:
"nvt/asphere"_fix_nvt_asphere.html,
"nvt/sllod"_fix_nvt_sllod.html,
"nvt/sphere"_fix_nvt_sphere.html,
"oneway"_fix_oneway.html,
"orient/fcc"_fix_orient_fcc.html,
"planeforce"_fix_planeforce.html,
"poems"_fix_poems.html,

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doc/fix_oneway.html Normal file
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@ -0,0 +1,69 @@
<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>fix oneway command
</H3>
<P><B>Syntax:</B>
</P>
<PRE>fix ID group-ID N oneway region-ID direction
</PRE>
<UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command
<LI>oneway = style name of this fix command
<LI>N = apply this fix every this many timesteps
<LI>region-ID = ID of region where fix is active
<LI>direction = <I>x</I> or <I>-x</I> or <I>y</I> or <I>-y</I> or <I>z</I> or <I>-z</I> = coordinate and direction of the oneway constraint
</UL>
<P><B>Examples:</B>
</P>
<PRE>fix ions 10 oneway semi -x
fix all 1 oneway left -z
fix all 1 oneway right z
</PRE>
<P><B>Description:</B>
</P>
<P>Enforce that particles in the group and in a given region can only
move in one direction. This is done by reversing a particle's
velocity component, if it has the wrong sign in the specified
dimension. The effect is that the particle moves in one direction
only.
</P>
<P>This can be used, for example, as a simple model of a semi-permeable
membrane, or as an implementation of Maxwell's demon.
</P>
<HR>
<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
files</A>. None of the <A HREF = "fix_modify.html">fix_modify</A> options
are relevant to this fix. No global or per-atom quantities are stored
by this fix for access by various <A HREF = "Section_howto.html#howto_15">output
commands</A>. No parameter of this fix can
be used with the <I>start/stop</I> keywords of the <A HREF = "run.html">run</A> command.
This fix is not invoked during <A HREF = "minimize.html">energy minimization</A>.
</P>
<P><B>Restrictions:</B> none
</P>
<P><B>Related commands:</B>
</P>
<P><A HREF = "fix_wall_reflect.html">fix wall/reflect</A> command
</P>
<P><B>Default:</B> none
</P>
<HR>
</HTML>

60
doc/fix_oneway.txt Normal file
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@ -0,0 +1,60 @@
"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c
:link(lws,http://lammps.sandia.gov)
:link(ld,Manual.html)
:link(lc,Section_commands.html#comm)
:line
fix oneway command :h3
[Syntax:]
fix ID group-ID N oneway region-ID direction :pre
ID, group-ID are documented in "fix"_fix.html command :ulb,l
oneway = style name of this fix command :l
N = apply this fix every this many timesteps :l
region-ID = ID of region where fix is active :l
direction = {x} or {-x} or {y} or {-y} or {z} or {-z} = coordinate and direction of the oneway constraint :l
:ule
[Examples:]
fix ions 10 oneway semi -x
fix all 1 oneway left -z
fix all 1 oneway right z :pre
[Description:]
Enforce that particles in the group and in a given region can only
move in one direction. This is done by reversing a particle's
velocity component, if it has the wrong sign in the specified
dimension. The effect is that the particle moves in one direction
only.
This can be used, for example, as a simple model of a semi-permeable
membrane, or as an implementation of Maxwell's demon.
:line
[Restart, fix_modify, output, run start/stop, minimize info:]
No information about this fix is written to "binary restart
files"_restart.html. None of the "fix_modify"_fix_modify.html options
are relevant to this fix. No global or per-atom quantities are stored
by this fix for access by various "output
commands"_Section_howto.html#howto_15. No parameter of this fix can
be used with the {start/stop} keywords of the "run"_run.html command.
This fix is not invoked during "energy minimization"_minimize.html.
[Restrictions:] none
[Related commands:]
"fix wall/reflect"_fix_wall_reflect.html command
[Default:] none
:line

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doc/fix_wall_reflect.html
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@ -161,7 +161,7 @@ error.
</P>
<P><B>Related commands:</B>
</P>
<P><A HREF = "fix_wall.html">fix wall/lj93</A> command
<P><A HREF = "fix_wall.html">fix wall/lj93</A>, <A HREF = "fix_oneway.html">fix oneway</A>
</P>
<P><B>Default:</B> none
</P>

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doc/fix_wall_reflect.txt
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@ -150,7 +150,7 @@ error.
[Related commands:]
"fix wall/lj93"_fix_wall.html command
"fix wall/lj93"_fix_wall.html, "fix oneway"_fix_oneway.html
[Default:] none