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Re: [lammps-users] Regarding Peri style
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Re: [lammps-users] Regarding Peri style

From: Axel Kohlmeyer <akohlmey@...24...>
Date: Tue, 17 Oct 2017 09:32:51 -0400

On Tue, Oct 17, 2017 at 8:33 AM, Rushikesh Sanjay Gite am16m021
<am16m021@...7168...> wrote:
> Hi,
> I have tried LAMMPS example problem for peridynamics.
> When I run the script, screen out put has shown Total # number of neighbors
> and Ave neigh/atoms.
> May I know how its calculate or on which basis its calculate the above.

first available neighbor list on rank 0 after the last step.

> Also, I was going through pair_style peri (Lammps documents). It is
> mentioned in the document that "These pair styles do not support mixing" .
> Does it mean that peri style can not use with other style (Using pair_style
> hybrid command).

no. mixing refers to using arithmetic or geometric averages to obtain
e.g epsilon and sigma for atoms of type i with atoms of type j from
the i vs. i and j vs. j interactions.
peridynamics has no per atom type parameters.

using pair style hybrid with peridynamics makes little sense anyway.


> I have attached snapshot for the reference.
> With Regards,
> Rushikesh Gite
> M.Tech Student
> Department of Applied Mechanics
> Indian Institute of Technology Madras
> Chennai 600036, India.
> Ph: +91-96044-53792
> Email: am16m021@...7168...
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Dr. Axel Kohlmeyer  akohlmey@...24...
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.