Re: [AMBER] Kinetic energy after heating is zero

From: case <case.biomaps.rutgers.edu>
Date: Thu, 24 Jun 2010 10:22:57 -0400

On Thu, Jun 24, 2010, Ashutosh Shandilya wrote:

> But the kinetic energy is showing zero.
> A V E R A G E S O V E R 1 S T E P S

Note that you only averaged over 1 step -- to save time, pmemd only
accumulates averages and rms fluctuations when it prints things out. You
can control this with the ene_avg_sampling variable.

Since you averaged only over 1 step, there are no fluctuations, and all
the RMS fluctuations printed are zero:

> R M S F L U C T U A T I O N S
>
>
> NSTEP = 2500 TIME(PS) = 150.000 TEMP(K) = 0.00 PRESS = 0.0
> Etot = 0.0000 EKtot = 0.0000 EPtot = 0.0000

....dac


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Received on Thu Jun 24 2010 - 07:30:07 PDT
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