Hi all GMX usersI did MD simulation under NPT ensembel. I evaluated potential 
energy during energy minimization, equilibration, and productionMD steps.  The 
plot of  potential energy indicates the nice, steady convergence of 
potentialenergy during energy minimization step. The first equilibration phase 
has been conductedunder an NVT ensemble. The temperature of the system quickly 
has been reachedthe target value (300 K) during this step. The potential energy 
has been alsoincreased quickly and then reached to steady state. Is the system 
in its minimum potential energy in this step? The potential energy has been 
almost constantduring the second equilibration phase and production MD. These 
steps performed under NPT ensemble. Did MD sinualtion perform appropriately? 
please guide me.Thanks a lot 
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