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Re: [ESPResSo-users] Global Potential in Espresso


From: Peter Kosovan
Subject: Re: [ESPResSo-users] Global Potential in Espresso
Date: Thu, 19 May 2011 17:45:39 +0200 (CEST)
User-agent: Alpine 2.00 (LNX 1167 2008-08-23)

Hi Lorenzo

You can use part command to set external force acting on particles which could 
simulate a uniform external field. This
should do for gravity, if your systems are not so huge that you would have to 
care about the curvature of the Earth.

If you need an arbitrary inhomogeneous external field, to my knowledge this is 
not implemented.

peter

--
Peter KoŇ°ovan
Institute of Computational Physics
University of Stuttgart
Pfaffenwaldring 27
70569 Stuttgart
Germany

On Thu, 19 May 2011, Lorenzo Isella wrote:

Dear All,
In Espresso one has a wide choice of particle interaction potential, but is there anything like a global external potential (so, nothing dealing with a 2-body interaction) option? For instance, I may want to introduce global potential standing for gravity or something else in my simulations.
Is there any way to achieve that in Espresso?
Many thanks

Lorenzo

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