sarbani chattopadhyay wrote:
Hi,
I had previously ran a replica exchange molecular dynamics
simulation for 10ns. There
were 17 ".tpr" input files for 17 replicas at 17 different temperatures.
However, the run had stopped and now I need to restart it. I
had generated 17 ".tpr"
files for the rest of the simulation left, using the command "tpbconv",
that is usually used for
generating ".tpr" file to restart a "md" run.
Then again I gave the command for "mdrun" using "replex"
option such that the input
files are the 17 new restart ".tpr " files.
Is this the right way to restart the replica exchange molecular dynamics
simulation? Will the
trajectories of the 17 replicas start from the point inteneed and
perform replica exchange as
per the command?
Under 3.x you need to apply a suitable, consistent tpbconv to each
independent simulation - see
http://wiki.gromacs.org/index.php/Doing_Restarts. Under 4.x the restart
mechanism has changed, and the checkpoint file is now the main thing you
have to take care of. I'll update the wiki once I've needed to work out
how that works.
Mark
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