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Re: [lammps-users] The force in fix indent
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Re: [lammps-users] The force in fix indent


From: Axel Kohlmeyer <akohlmey@...24...>
Date: Tue, 4 Jul 2017 11:28:23 -0400

On Tue, Jul 4, 2017 at 7:02 AM, 万 京 <luckwan16@...4215...> wrote:
> Dear All,
>
>
> The Doc. page says lammps calculates the force as F= -K(r-R)^2.  I am
> looking forward to know why there is power 2 for r-R term. I would
> appreciate it if someone could help me.

it is there because that is how the fix indent force is computed.
please see the source code, if you have doubts.

axel.


>
>
> Best Regards,
>
>
> Carmelo
>
>
>
>
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-- 
Dr. Axel Kohlmeyer  akohlmey@...24...  http://goo.gl/1wk0
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.