[gmx-users] how to calculate the force between two groups

[Mark Abraham]

On 31/10/2011 4:05 AM, Tom wrote:
> Dear Gromacs Users,
>
> I have a question about how to ouput the force between two groups.
>
> Suppose the system consists of the groups: A, B, C and D.
> I need the force only between the groups A and B.
>
> g_traj looks only to be able to report the overal forces and cann not distiguish
> the forces from different groups.
>
> Is there any cunning way to do it.
>
mdrun -rerun  with well-chosen energy group exclusions probably works 
for you.

Mark