allow dynamic groups for some standard walls interacting with point particles

src/fix_wall_harmonic.cpp

@@ -22,7 +22,10 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixWallHarmonic::FixWallHarmonic(LAMMPS *lmp, int narg, char **arg) :
-  FixWall(lmp, narg, arg) {}
+  FixWall(lmp, narg, arg)
+{
+  dynamic_group_allow = 1;
+}
 
 /* ----------------------------------------------------------------------
    interaction of all particles in group with a wall

src/fix_wall_lj1043.cpp

@@ -26,7 +26,10 @@ using namespace MathConst;
 /* ---------------------------------------------------------------------- */
 
 FixWallLJ1043::FixWallLJ1043(LAMMPS *lmp, int narg, char **arg) :
-  FixWall(lmp, narg, arg) {}
+  FixWall(lmp, narg, arg)
+{
+  dynamic_group_allow = 1;
+}
 
 /* ---------------------------------------------------------------------- */
 

src/fix_wall_lj126.cpp

@@ -22,7 +22,10 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixWallLJ126::FixWallLJ126(LAMMPS *lmp, int narg, char **arg) :
-  FixWall(lmp, narg, arg) {}
+  FixWall(lmp, narg, arg)
+{
+  dynamic_group_allow = 1;
+}
 
 /* ---------------------------------------------------------------------- */
 

src/fix_wall_lj93.cpp

@@ -22,7 +22,10 @@ using namespace FixConst;
 /* ---------------------------------------------------------------------- */
 
 FixWallLJ93::FixWallLJ93(LAMMPS *lmp, int narg, char **arg) :
-  FixWall(lmp, narg, arg) {}
+  FixWall(lmp, narg, arg)
+{
+  dynamic_group_allow = 1;
+}
 
 /* ---------------------------------------------------------------------- */
 

src/fix_wall_reflect.cpp

@@ -39,6 +39,8 @@ FixWallReflect::FixWallReflect(LAMMPS *lmp, int narg, char **arg) :
 {
   if (narg < 4) error->all(FLERR,"Illegal fix wall/reflect command");
 
+  dynamic_group_allow = 1;
+
   // parse args
 
   nwall = 0;

src/fix_wall_region.cpp

@@ -67,6 +67,8 @@ FixWallRegion::FixWallRegion(LAMMPS *lmp, int narg, char **arg) :
   else if (strcmp(arg[4],"harmonic") == 0) style = HARMONIC;
   else error->all(FLERR,"Illegal fix wall/region command");
 
+  if (style != COLLOID) dynamic_group_allow = 1;
+
   epsilon = force->numeric(FLERR,arg[5]);
   sigma = force->numeric(FLERR,arg[6]);
   cutoff = force->numeric(FLERR,arg[7]);