Syntax:
fix ID group-ID addforce fx fy fz
Examples:
fix kick flow addforce 1.0 0.0 0.0
Description:
Add fx,fy,fz to the corresponding component of force for each atom in the group. This command can be used to give an additional push to atoms in a simulation, such as for a simulation of Poiseuille flow in a channel.
Restrictions: none
Related commands:
Default: none