fix

fix is used to add constraints or additional conditions to the simulation.

Syntax:

fix id group-id style args

Examples:

fix 1 all nve
fix 2 Al acc gravity z -0.592113

Description:

A list of current available fix style is given below:


acc	add acceleration
addforce	add a specified force to a certain group of particles
nve	the NVE ensemble
setforce	set a constant force to a certain group of particles
wall/dem	set a constant force to a certain group of particles
wall/reflect	applied certain rules to particles across the user-defined wall

Table 2.4: List of available fix style