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[Jérôme Duriez <question685848@xxxxxxxxxxxxxxxxxxxxx>]

Question #685848 on Yade changed:
https://answers.launchpad.net/yade/+question/685848

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
Hi,

As far as I'm concerned, I can only try to help with a proper setup in
YADE of some conditions yourself decided to assign, I thus leave 1) up
to you ;-)

As for 2), I would say No, you need two different Materials.
There is JCFpmMat.type [*] to help you here, without any need to look at the details of Ip2_JCFpmMat_JCFpmMat_JCFpmPhys

3) Functions like facetBox() should be correctly defined and assign
correct mass and inertia without any action from your side. You may
check it just asking for b.state.mass or b.state.inertia once your
bodies "b" are created in your simulation

This being said, bodies given by facetBox(), are of Facet shape, with no
volume, hence it's logical they have zero mass and inertia..

[*] https://yade-
dem.org/doc/yade.wrapper.html#yade.wrapper.JCFpmMat.type

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