Re: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Erik Lindahl
On May 3, 2007, at 5:36 PM, Jones de Andrade wrote: Hi Erik. I was thinking something about it exactly now. I mean, Berk quoted that the scalling goes with beta/tau in Berendsen, and with beta/ tay^2 in Parrinello. I mean, in a similar implementation, how should it go for a nosè implement

Re: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Jones de Andrade
Hi Erik. I was thinking something about it exactly now. I mean, Berk quoted that the scalling goes with beta/tau in Berendsen, and with beta/tay^2 in Parrinello. I mean, in a similar implementation, how should it go for a nosè implementation? Also, what would be a good value for tau_p so? I was

Re: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Jones de Andrade
On 5/3/07, Erik Lindahl <[EMAIL PROTECTED]> wrote: Hi, On May 3, 2007, at 12:37 PM, Jones de Andrade wrote: Hi Berk! Thanks for your so fast answer! I'll try to look for a different tau_p. I would really feel 4 ps a too high value, even for water systems, but will look around before decision.

Re: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Erik Lindahl
Hi, On May 3, 2007, at 12:37 PM, Jones de Andrade wrote: Hi Berk! Thanks for your so fast answer! I'll try to look for a different tau_p. I would really feel 4 ps a too high value, even for water systems, but will look around before decision. Anyway, I'm still concerned about the compressi

Re: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Jones de Andrade
Hi Berk! Thanks for your so fast answer! I'll try to look for a different tau_p. I would really feel 4 ps a too high value, even for water systems, but will look around before decision. Anyway, I'm still concerned about the compressibility value. Long time ago in this list I came to this questio

RE: [gmx-users] Compressibility issue - real concern

2007-05-03 Thread Berk Hess
From: "Jones de Andrade" <[EMAIL PROTECTED]> Reply-To: Discussion list for GROMACS users To: "Discussion list for GROMACS users" Subject: [gmx-users] Compressibility issue - real concern Date: Thu, 3 May 2007 06:33:12 -0300 Hi all. Well, I'm having a great problem in some NpT simulations I