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[Hasan <question248466@xxxxxxxxxxxxxxxxxxxxx>]

Question #248466 on Yade changed:
https://answers.launchpad.net/yade/+question/248466

Description changed to:
Hello all,

I am trying to validate some contact laws that used in Yade before doing
anything else . I started with  a very simple example of sphere dropping
and calculate the displacement at different speed ,  after that I  began
to compare the analytic solution with  Yade results. But there was some
deviation in the analytic solution.

I don't know if I am using different contact law or will be there some
error percentage between analytic and numerical solution.

- Could some one please direct me to the papers that  contain the exact
contact law  for  Cundall Strack (ElasticContactLaw)  that used in Yade
, and alos for Hertz Mindlin  law if that's possible.

- How much will probably be the percentage of error for a very simple
test like this one?

Thanks,

Hasan

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