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From: | Narges Nikoofard |
Subject: | Re: [ESPResSo-users] Applying an External Field |
Date: | Wed, 16 Dec 2015 15:03:50 +0330 |
Hi,
what you could do is to use a tabulated interaction potential and use
penetrable wall constraints. Just an idea, maybe that helps.
Cheers,
Kai
On Wed, Dec 09, 2015 at 10:27:16AM -0600, Salvador H-V wrote:
> Dear All,
> I want to simulate a two-dimensional colloidal system of particles
> interacting through the Debye-HA 1/4ckel potential. But I am also
> interested in applying an external field that mimics a substrate.
> Each particle is subjected to A an external potential like this,
> Uext(xi) = A strength of the external potential * A sin ( constant * x(i)
> )
> If I understood well, I can not use the ext_force command neither the
> tabulated potential.
> I would really appreciate any suggestions for the implementation.A
> At this moment I have only a very simple idea of setting integrate to 1
> and then apply the external force in x-direction in each step.A
> However , I think this is highly inefficient and makes the simulation runs
> slowly A
> A
> Thanks in advance.
> Salvador H-V
> A
constraint.c
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constraint.h
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constraint_tcl.c
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constraint_tcl.h
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