diff --git a/doc/compute.html b/doc/compute.html index 645aa96873..83646130ef 100644 --- a/doc/compute.html +++ b/doc/compute.html @@ -76,6 +76,7 @@ defined in LAMMPS:
Style vector is used for non-granular systems. An acceleration of -the specified magnitude is applied to each atom in the group in the -vector direction given by (x,y,z). +
For the chute, spherical, and gradient styles, the strength of +the acceleration due to gravity is 1.0 in force/mass units. These +styles are intended to be used with LJ units which is the +typical choice for granular systems in LAMMPS.
-The strength of the acceleration due to gravity is 1.0 in LJ units, -which are the only allowed units for granular systems. +
Style vector can be used for non-granular systems. An acceleration +of the specified magnitude in force/mass units is applied to each atom +in the group in the vector direction given by (x,y,z).
Restart, fix_modify, thermo output, run start/stop, minimize info:
diff --git a/doc/fix_gravity.txt b/doc/fix_gravity.txt index 06b772a859..6182a58e93 100644 --- a/doc/fix_gravity.txt +++ b/doc/fix_gravity.txt @@ -66,12 +66,14 @@ for gravity acting in the -z direction, theta would be specified as 180.0 (or -180.0). Theta = 90.0 and phi = -90.0 would mean gravity acts in the -y direction. -Style {vector} is used for non-granular systems. An acceleration of -the specified magnitude is applied to each atom in the group in the -vector direction given by (x,y,z). +For the {chute}, {spherical}, and {gradient} styles, the strength of +the acceleration due to gravity is 1.0 in force/mass units. These +styles are intended to be used with LJ "units"_units.html which is the +typical choice for granular systems in LAMMPS. -The strength of the acceleration due to gravity is 1.0 in LJ units, -which are the only allowed units for granular systems. +Style {vector} can be used for non-granular systems. An acceleration +of the specified magnitude in force/mass units is applied to each atom +in the group in the vector direction given by (x,y,z). [Restart, fix_modify, thermo output, run start/stop, minimize info:]