[gmx-users] atom freezing during simulation

mah maz mahmaz71 at gmail.com
Sun May 3 07:17:51 CEST 2015

Dear all,

I need to freeze some atoms in my system not to move during simulation. I
used freezegrps and freezdim options but after simulation, I can see that
the fixed atoms also moved and their coordinates changed. What can I do to
fix their positions? Should I couple them with thermostat and assign low
temperatures to avoid their motion?


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