(no subject)

I am working on the chute flow problem of granular materials. I am supposed to run some simulations for different coefficient of restitutions. Can someone tell me how the value of coefficient of restitution is defined using lammps.
Thank you.

See the pair gran doc page. It gives the eqs that are
used by the granular pair style. Kn is related to the
coeff of restitution. I suggest you read the papers
the doc page cites.