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[Jérôme Duriez <question694837@xxxxxxxxxxxxxxxxxxxxx>]

Question #694837 on Yade changed:
https://answers.launchpad.net/yade/+question/694837

Jérôme Duriez proposed the following answer:
Hi,

For avoiding spheres intersection, you have to stop using YADE right
away and switch to a contact dynamics code, since interpenetration is at
the root of (forces computation for) DEM approaches like that of YADE.

For getting a denser packing, maybe you could try trick (lowering) your
inter-particle friction angle in the deposition phase. You can still set
it to the physical one before subsequent loading, if there is such a
thing than subsequent loading in your case.

That is the idea used while simulating triaxial compressions in
https://gitlab.com/yade-dev/trunk/-/blob/master/examples/triax-tutorial
/script-session1.py, look for the use of setContactFriction() therein.

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