timestep command

Syntax

timestep dt

• dt = timestep size (time units)

Examples

timestep 2.0
timestep 0.003

Description

Set the timestep size for subsequent molecular dynamics simulations. See the units command for a discussion of time units. The default value for the timestep also depends on the choice of units for the simulation; see the default values below.

Restrictions

none

Related commands

fix dt/reset, run, units

Default

timestep = 0.005 tau for units = lj

timestep = 1.0 fmsec for units = real

timestep = 0.001 psec for units = metal

timestep = 1.0e-8 sec (10 nsec) for units = si or cgs