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Re: [lammps-users] how to apply purely repulsive potential?
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Re: [lammps-users] how to apply purely repulsive potential?

From: Anders Hafreager <andershaf@...24...>
Date: Sat, 14 Apr 2018 11:28:00 +0200

You can either use pair_style table to specify the forces and energies for any R within the cutoff in a file, or use pair_style python (slower) where you can provide a Python function that returns what you need.


On Sat, Apr 14, 2018 at 10:44 AM, soroosh mo <sorooshmhm@...24...> wrote:
Dear all
how can i describe repulsive potential between two atom with specific formula (k(R − r)3, r < R,) for scratch and indentation simulation ?
is there special command for this kind of potential?
Regards and thanks in advance.

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