Re: [gmx-users] a question about ensemble

2012-05-05 Thread Patrick Fuchs
Interesting discussion indeed. I'm just thinking that there might be no fundamental difference to other thermostats. There's nothing in the way that causes the friction, but then again, there's no physical particle that causes the stochastic term in v-rescale, and the Nosé-Hover particle is not

Re: [gmx-users] a question about ensemble

2012-05-05 Thread Dommert Florian
On Sat, 2012-05-05 at 13:19 +0200, Patrick Fuchs wrote: Interesting discussion indeed. I'm just thinking that there might be no fundamental difference to other thermostats. There's nothing in the way that causes the friction, but then again, there's no physical particle that causes the

Re: [gmx-users] a question about ensemble

2012-05-05 Thread baptista
On Sat, 5 May 2012, Dommert Florian wrote: On Sat, 2012-05-05 at 13:19 +0200, Patrick Fuchs wrote: Interesting discussion indeed. I'm just thinking that there might be no fundamental difference to other thermostats. There's nothing in the way that causes the friction, but then again, there's

Re: [gmx-users] a question about ensemble

2012-05-04 Thread Dommert Florian
On Thu, 2012-05-03 at 18:43 +0200, Patrick Fuchs wrote: Hi Florian, I remark that Langevin method is used also for explicit water system! But there a big question arises to me. The thermostatting by Langevin is achieved due to random kicks. If I simulate all atoms explicitly, there

Re: [gmx-users] a question about ensemble

2012-05-04 Thread Erik Marklund
4 maj 2012 kl. 10.45 skrev Dommert Florian: On Thu, 2012-05-03 at 18:43 +0200, Patrick Fuchs wrote: Hi Florian, I remark that Langevin method is used also for explicit water system! But there a big question arises to me. The thermostatting by Langevin is achieved due to random kicks.

Re: [gmx-users] a question about ensemble

2012-05-04 Thread Dommert Florian
On Fri, 2012-05-04 at 11:07 +0200, Erik Marklund wrote: 4 maj 2012 kl. 10.45 skrev Dommert Florian: On Thu, 2012-05-03 at 18:43 +0200, Patrick Fuchs wrote: Hi Florian, I remark that Langevin method is used also for explicit water system! But there a big question

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Dommert Florian
On Thu, 2012-05-03 at 07:32 +0200, Albert wrote: hello: I wondering are the three thermostat methods: Langevin, Berendsen and Nose-Hoover chain are all compatible with semi-isotropy coupling style? If I would like to use semi-isotropy coupling method, which one would be better? thank

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Albert
Hello Flo: thank you so much for your kind comments. Yes, I would like to couple the pressure, it really helps a lot. best Albert On 05/03/2012 10:40 AM, Dommert Florian wrote: On Thu, 2012-05-03 at 07:32 +0200, Albert wrote: hello: I wondering are the three thermostat methods:

Re: [gmx-users] a question about ensemble

2012-05-03 Thread francesco oteri
Hello, 2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On Thu, 2012-05-03 at 07:32 +0200, Albert wrote: hello: I wondering are the three thermostat methods: Langevin, Berendsen and Nose-Hoover chain are all compatible with semi-isotropy coupling style? If I would like to use

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Dommert Florian
On Thu, 2012-05-03 at 10:45 +0200, Albert wrote: Hello Flo: thank you so much for your kind comments. Yes, I would like to couple the pressure, it really helps a lot. best Albert You're welcome. There is just one little typo On 05/03/2012 10:40 AM, Dommert Florian wrote: On

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Dommert Florian
On Thu, 2012-05-03 at 10:48 +0200, francesco oteri wrote: Hello, 2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On Thu, 2012-05-03 at 07:32 +0200, Albert wrote: hello: I wondering are the three thermostat methods: Langevin, Berendsen

Re: [gmx-users] a question about ensemble

2012-05-03 Thread francesco oteri
2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On Thu, 2012-05-03 at 10:48 +0200, francesco oteri wrote: Hello, 2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On Thu, 2012-05-03 at 07:32 +0200, Albert wrote: hello: I wondering are

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Dommert Florian
On Thu, 2012-05-03 at 11:31 +0200, francesco oteri wrote: 2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On Thu, 2012-05-03 at 10:48 +0200, francesco oteri wrote: Hello, 2012/5/3 Dommert Florian domm...@icp.uni-stuttgart.de On

Re: [gmx-users] a question about ensemble

2012-05-03 Thread Patrick Fuchs
Hi Florian, I remark that Langevin method is used also for explicit water system! But there a big question arises to me. The thermostatting by Langevin is achieved due to random kicks. If I simulate all atoms explicitly, there is only vacuum between the atoms. Where do the random kicks come

[gmx-users] a question about ensemble

2012-05-02 Thread Albert
hello: I wondering are the three thermostat methods: Langevin, Berendsen and Nose-Hoover chain are all compatible with semi-isotropy coupling style? If I would like to use semi-isotropy coupling method, which one would be better? thank you very much best Albert -- gmx-users mailing list