The units keyword determines the meaning of the distance units used -to define a wall position, but only when a numeric constant is used. -It is not relevant when EDGE or a variable is used to specify a face -position. +to define a wall position, but only when a numeric constant or +variable is used. It is not relevant when EDGE is used to specify a +face position. In the variable case, the variable is assumed to +produce a value compatible with the units setting you specify.
A box value selects standard distance units as defined by the units command, e.g. Angstroms for units = real or metal. diff --git a/doc/fix_wall.txt b/doc/fix_wall.txt index 14bab6db03..2f8e42514f 100644 --- a/doc/fix_wall.txt +++ b/doc/fix_wall.txt @@ -141,9 +141,10 @@ enough {epsilon} that particles always reamin on the correct side of the wall (r > 0). The {units} keyword determines the meaning of the distance units used -to define a wall position, but only when a numeric constant is used. -It is not relevant when EDGE or a variable is used to specify a face -position. +to define a wall position, but only when a numeric constant or +variable is used. It is not relevant when EDGE is used to specify a +face position. In the variable case, the variable is assumed to +produce a value compatible with the {units} setting you specify. A {box} value selects standard distance units as defined by the "units"_units.html command, e.g. Angstroms for units = real or metal. diff --git a/doc/fix_wall_reflect.html b/doc/fix_wall_reflect.html index 5e3aaa73aa..558f1c0ecb 100644 --- a/doc/fix_wall_reflect.html +++ b/doc/fix_wall_reflect.html @@ -88,9 +88,10 @@ box parameters and timestep and elapsed time. Thus it is easy to specify a time-dependent wall position.
The units keyword determines the meaning of the distance units used -to define a wall position, but only when a numeric constant is used. -It is not relevant when EDGE or a variable is used to specify a face -position. +to define a wall position, but only when a numeric constant or +variable is used. It is not relevant when EDGE is used to specify a +face position. In the variable case, the variable is assumed to +produce a value compatible with the units setting you specify.
A box value selects standard distance units as defined by the units command, e.g. Angstroms for units = real or metal. diff --git a/doc/fix_wall_reflect.txt b/doc/fix_wall_reflect.txt index 646e741eae..4615eadf89 100644 --- a/doc/fix_wall_reflect.txt +++ b/doc/fix_wall_reflect.txt @@ -77,9 +77,10 @@ box parameters and timestep and elapsed time. Thus it is easy to specify a time-dependent wall position. The {units} keyword determines the meaning of the distance units used -to define a wall position, but only when a numeric constant is used. -It is not relevant when EDGE or a variable is used to specify a face -position. +to define a wall position, but only when a numeric constant or +variable is used. It is not relevant when EDGE is used to specify a +face position. In the variable case, the variable is assumed to +produce a value compatible with the {units} setting you specify. A {box} value selects standard distance units as defined by the "units"_units.html command, e.g. Angstroms for units = real or metal.