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Re: [ESPResSo-users] time dependent force

From: Jiajia Zhou
Subject: Re: [ESPResSo-users] time dependent force
Date: Wed, 20 Jul 2011 16:02:41 +0200

Thanks for the reply. I would like to change the force every single
time step. To do this in the tcl level, I think the force are
calculated twice for every time step (am I correct?), so I can save
some time by implementing in the c level.


2011/7/20 Olaf Lenz <address@hidden>:
> Hi!
> On 07/20/2011 11:14 AM, Jiajia Zhou wrote:
>> I'm wondering if any one give me some suggestions. I try to apply a
>> time-dependent external force in the simulation. I implement some
>> codes in the source to assign the external force to every particle
>> at each integration step.
> Why do you try to implement this in the C-code? Why don't you just
> modify the external force on the Tcl-level? Is it necessary to change
> the force in every single time step?
> Olaf
> --
> Dr. rer. nat. Olaf Lenz
> Institut für Computerphysik, Pfaffenwaldring 27, D-70569 Stuttgart
> Phone: +49-711-685-63607

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