[gmx-users] semiisotropic pressure coupling

Erik Lindahl lindahl at stanford.edu
Mon Jun 3 19:06:13 CEST 2002

David L. Bostick wrote:

>If I choose semiisotropic pressure coupling with x/y compressibility set to
>4.5e-5 and z set to zero, like this,
>compressibility         = 4.5e-5 0.0
>will this give me a box that scales in the x and y dimensions, but not in
>z, similar to the same sort of thing you can do with the surface-tension
>coupling option?
Yes :-)

I don't remeber if we check and warn for the z compressibility being 
zero; but in that case you can just use 1e-30 instead.



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