[gmx-users] force application group wise

[Mark Abraham]

Hi,

This is what pull groups do in GROMACS.

Mark

On Fri, 24 Feb 2017 14:37 Rana Ali <ranadeepu2017 at gmail.com> wrote:

> Dear users
>
> We were running MD system consists of ion and water through a nanotube
> under a pressure gradient.
> For that we are applying pressure in terms of force to the molecules.
> Could any body help how to create group so that the external force will be
> applied only on water molecules not on the ions. means how to define the
> force in the .mdp file
>
> Thanks in advance
>
> Warm regards
>
> Rana
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