RE: [gmx-users] How to change the box size during simuation

2007-10-10 Thread Berk Hess





From: "WU Yanbin" <[EMAIL PROTECTED]>
Reply-To: Discussion list for GROMACS users 
To: gmx-users@gromacs.org
Subject: [gmx-users] How to change the box size during simuation
Date: Tue, 9 Oct 2007 17:40:21 -0500

Hey,
  Now I'm simulating infinite molecules. I want to change the box size a 
lit

bit every time step so as to induce some stress in this system.
  Is there any way in gromacs to do this, apart from modifying the code?


You can use pressure coupling to apply a stress and induce a strain
or you can use the deform option to apply a strain and induce stress.

Berk.

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Re: [gmx-users] How to change the box size during simuation

2007-10-10 Thread Alan Dodd
You can apply external forces to subsets of atoms, in such a way as to cause 
your box to shrink by itself.


- Original Message 
From: WU Yanbin <[EMAIL PROTECTED]>
To: gmx-users@gromacs.org
Sent: Tuesday, October 9, 2007 11:40:21 PM
Subject: [gmx-users] How to change the box size during simuation

Hey,
  Now I'm simulating infinite molecules. I want to change the box size a lit 
bit every time step so as to induce some stress in this system.
  Is there any way in gromacs to do this, apart from modifying the code? Thanks 
in advance. 
   Yours Sincerely,
WU Yanbin


  

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