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[Hadda <question194761@xxxxxxxxxxxxxxxxxxxxx>]

Question #194761 on Yade changed:
https://answers.launchpad.net/yade/+question/194761

    Status: Open => Answered

Hadda proposed the following answer:
Hi,

May be it would take you a lot of time to adjust your DEM parameters to
reproduce an identical fingerprint of given natural sand (which is not
obvious too). Also, nobody will expect such a correspondence using
spherical or whatever shape bodies of cristal with a simple contact law.

Nevertheless, by fixing some parameters in your DEM  model  you can put
forward or emphasize a typical characteristic of your  sand you may will
for.

I agree with the suggestion of Chiara,  that is to fix the aim behind
your DEM simulations and to have an idea about the influence of each DEM
parameter on the macroscopic behaviour of an assembly of paticles (as
Luc said, an assembly of 10000 particles is large enough to start your
tests with, even less if you want to go faster!)

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