[gmx-users] Related to fluctuation in Pressure

[Syed Azeem]

> Dear all,
> I have done md simulation at 1 bar pressure but after the simulation when i
> plot the pressure graph, plot shows fluctuation range from -200 to 200 bar.
> Is this fluctuation  is acceptable?

Hey,

This is quite normal. see:
http://www.gromacs.org/Documentation/Terminology/Pressure

Do look out for average pressure over the equilibration time scale.

Azeem

> Thanks in advance
>
>