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[Question #681993]: contact of polyhedras

 

New question #681993 on Yade:
https://answers.launchpad.net/yade/+question/681993

Hi:
I have 3 questions about the contact of polyhedras:
1.How to caculate the contact point of 2 polyhedras(tetras) ( What's the algorithm of the contact point between 2 tetras since they are not spheres and they don't have central point?)
2.Although a polyhedra consists of lots of points, but they are all separated in tetras in simulations, is that right?
3.what's the difference between the polyhedron in utils and polyhedra in polyhedra_utils?
Yours,
Joe

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