Updated error messages for SHOCk package

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7753 f3b2605a-c512-4ea7-a41b-209d697bcdaa

doc/fix_append_atoms.html

@@ -13,14 +13,12 @@
 </H3>
 <P><B>Syntax:</B>
 </P>
-<PRE>fix ID group-ID append_atoms face arg ... keyword value ... 
+<PRE>fix ID group-ID append_atoms face ... keyword value ... 
 </PRE>
 <UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command 
 
 <LI>append_atoms = style name of this fix command 
 
-<LI>one face/arg pairs must be appended 
-
 <LI>face = <I>zhi</I> 
 
 <LI>zero or more keyword/value pairs may be appended 
@@ -55,7 +53,7 @@ fix A all append_atoms zhi size 1.0 freq 1000 units lattice
 </P>
 <P>This fix creates atoms on a lattice, appended on the zhi edge of the system box.
 This can be useful when a shock or wave is propagating from zlo.  This allows
-the system to grow with time to accommodate an expanding wave.   A simulation 
+the system to grow with time to accommodate an expanding wave.  A simulation 
 box must already exist, which is typically created via the 
 <A HREF = "create_box.html">create_box</A> command.  Before using this command, a
 lattice must also be defined using the <A HREF = "lattice.html">lattice</A> command.
@@ -98,8 +96,8 @@ This fix is not invoked during <A HREF = "minimize.html">energy minimization</A>
 LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
 LAMMPS</A> section for more info.
 </P>
-<P>The zhi boundary on which atoms are added with append_atoms must be
+<P>The boundary on which atoms are added with append_atoms must be
-shrink-wrapped.  The zlo boundary may be any boundary type other than
+shrink/minimum.  The opposite boundary may be any boundary type other than
 periodic.
 </P>
 <P><B>Related commands:</B>

doc/fix_append_atoms.txt

@@ -10,11 +10,10 @@ fix append_atoms command :h3
 
 [Syntax:]
 
-fix ID group-ID append_atoms face arg ... keyword value ... :pre
+fix ID group-ID append_atoms face ... keyword value ... :pre
 
 ID, group-ID are documented in "fix"_fix.html command :ulb,l
 append_atoms = style name of this fix command :l
-one face/arg pairs must be appended :l
 face = {zhi} :l
 zero or more keyword/value pairs may be appended :l
 keyword = {size} or {freq} or {temp} or {random} or {units}  :l
@@ -45,7 +44,7 @@ fix A all append_atoms zhi size 1.0 freq 1000 units lattice :pre
 
 This fix creates atoms on a lattice, appended on the zhi edge of the system box.
 This can be useful when a shock or wave is propagating from zlo.  This allows
-the system to grow with time to accommodate an expanding wave.   A simulation 
+the system to grow with time to accommodate an expanding wave.  A simulation 
 box must already exist, which is typically created via the 
 "create_box"_create_box.html command.  Before using this command, a
 lattice must also be defined using the "lattice"_lattice.html command.
@@ -88,8 +87,8 @@ This fix style is part of the SHOCK package.  It is only enabled if
 LAMMPS was built with that package. See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info.
 
-The zhi boundary on which atoms are added with append_atoms must be
+The boundary on which atoms are added with append_atoms must be
-shrink-wrapped.  The zlo boundary may be any boundary type other than
+shrink/minimum.  The opposite boundary may be any boundary type other than
 periodic.
 
 [Related commands:]

doc/fix_wall_piston.html

@@ -13,14 +13,12 @@
 </H3>
 <P><B>Syntax:</B>
 </P>
-<PRE>fix ID group-ID wall/piston face arg ... keyword value ... 
+<PRE>fix ID group-ID wall/piston face ... keyword value ... 
 </PRE>
 <UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command 
 
 <LI>wall/piston = style name of this fix command 
 
-<LI>one face/arg pair must be appended 
-
 <LI>face = <I>zlo</I> 
 
 <LI>zero or more keyword/value pairs may be appended 
@@ -62,7 +60,7 @@ put back inside the face by the same delta, and the velocity relative to
 the moving wall is flipped in z.  For instance, a stationary particle hit with a
 piston wall with velocity vz, will end the timestep with a velocity of 2*vz.
 </P>
-<P>Currently only face <I>zlo</I> may be specified.
+<P>Currently the <I>face</I> keyword can only be <I>zlo</I>.
 This creates a piston moving in the positive z direction.
 Particles with z coordinate less than the wall position
 are reflected to a z coordinate
@@ -112,8 +110,8 @@ This fix is not invoked during <A HREF = "minimize.html">energy minimization</A>
 LAMMPS was built with that package. See the <A HREF = "Section_start.html#start_3">Making
 LAMMPS</A> section for more info.
 </P>
-<P>The face that has the wall/piston must be boundary type 'm' (shrink-wrapped 
+<P>The face that has the wall/piston must be boundary type 's' 
-with minimum a minimum value). The opposing face can be 
+(shrink-wrapped). The opposing face can be 
 any boundary type other than periodic.
 </P>
 <P>A wall/piston should not be used with rigid bodies such as those

doc/fix_wall_piston.txt

@@ -10,11 +10,10 @@ fix wall/piston command :h3
 
 [Syntax:]
 
-fix ID group-ID wall/piston face arg ... keyword value ... :pre
+fix ID group-ID wall/piston face ... keyword value ... :pre
 
 ID, group-ID are documented in "fix"_fix.html command :ulb,l
 wall/piston = style name of this fix command :l
-one face/arg pair must be appended :l
 face = {zlo} :l
 zero or more keyword/value pairs may be appended :l
 keyword = {pos} or {vel} or {ramp} or {units}  :l
@@ -52,7 +51,7 @@ put back inside the face by the same delta, and the velocity relative to
 the moving wall is flipped in z.  For instance, a stationary particle hit with a
 piston wall with velocity vz, will end the timestep with a velocity of 2*vz.
 
-Currently only face {zlo} may be specified.
+Currently the {face} keyword can only be {zlo}.
 This creates a piston moving in the positive z direction.
 Particles with z coordinate less than the wall position
 are reflected to a z coordinate
@@ -102,8 +101,8 @@ This fix style is part of the SHOCK package.  It is only enabled if
 LAMMPS was built with that package. See the "Making
 LAMMPS"_Section_start.html#start_3 section for more info.
 
-The face that has the wall/piston must be boundary type 'm' (shrink-wrapped 
+The face that has the wall/piston must be boundary type 's' 
-with minimum a minimum value). The opposing face can be 
+(shrink-wrapped). The opposing face can be 
 any boundary type other than periodic.
 
 A wall/piston should not be used with rigid bodies such as those