[gmx-users] Pressure annealing in Gromacs?

[Mark Abraham]

Jussi Lehtola wrote:
> Hi,
> 
> 
> 
> I'm experiencing trouble converging the density of some heavy liquid
> alcohols (after 10 ns of simulation the density is still changing
> linearly). Is there any way to run pressure annealing in Gromacs?
> Running the system through a high pressure and temperature might give an
> equilibrium structure quicker.

There's nothing native that I'm aware of, but it should be 
straightforward to use sed or perl in a script to do the annealing "by 
hand" in a series of mdrun invocations.

Mark