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

doc/Section_commands.html

@@ -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

doc/Section_commands.txt

@@ -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,

doc/fix_oneway.html

@@ -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>

doc/fix_oneway.txt

@@ -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
+

doc/fix_wall_reflect.html

@@ -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>

doc/fix_wall_reflect.txt

@@ -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