[gmx-users] changing the velocity in trajectory file

Baofu Qiao qiaobf at gmail.com
Mon Nov 29 15:02:20 CET 2010

Why don't use different random (gen_vel =yes; gen_seed =-1 in  .mdp
file) seed to generate the velocity?

On 11/29/2010 02:55 PM, sreelakshmi ramesh wrote:
> Dear all,
>               could anybody help me out with the following issue. I have a
> trajectory file.i have to used that file  at a particular frame as the
> input  to continue the simulation and i need to use that file for 20
> independent simulations.since the starting file for the 20 simulations are
> the same coordinate and velocity the  20 simulations are producing  the same
> output trajectory.so is there a way to change the velocity  by  a small
> value in the input trajectory file so that every time i can get a diff
> trajectory from same input file.
> reagrds,
> sree.

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