Den 2020-05-06 kl. 01:13, skrev Mohamed Abdelaal:
This is due to atomic fluctuations, that is they overlap more or less
depending on their distance, Did you use the freevolume tool in gromacs?
It may also depend on whether each freevolume calculations is converged
I have two fundamental questions please.
I have measured the fee volume and I discovered that, the free volume
changes with respect to the time during the production run (different value
for each frame). However I have measured the density but the result does
not change with respect to time.
Shouldn't the density also changes with time if the free volume changes
with time ?
I also can't understand why the free volume changes with respect to the
time, if the number of molecules and volume of box didn't change.
David van der Spoel, Ph.D.,
Professor of Biology
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