On 29/03/2012 8:22 PM, Hendry wrote:
Hi,
I am using Gromacs 4.5.4. After successful minimization by SD, I
continued with equilibration step but I got the below errors. I tried
many times with different parameters but the problem still persists. I
have given errors and md parameters of equilibration step below. I
have also provided my minimization output at the end. Could you
provide some suggestions what went wrong?.
You are using PR-pressure coupling for equilibration, which is an
unstable combination. You are coupling ions to their own thermostat,
which is unstable. Do check out the GROMACS manual for discussion of how
these algorithms work, and also the website for some practical observations.
Mark
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