[gmx-users] heat apears

David van der Spoel spoel at xray.bmc.uu.se
Wed Dec 3 14:33:00 CET 2003

On Wed, 2003-12-03 at 13:01, parinald at unsl.edu.ar wrote:
> Thank`s Anton and Nguyen:
>   I still have a little question, why the presure fluctuations 
> are "huge"? is not seems like unrealistic proceses?.

no it is perfectly well behaved. The pressure fluctuations scale as
1/sqrt(N) where N is your number of atoms. Making your system four times
bigger halves the fluctuations.
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David van der Spoel, PhD, Assist. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel

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