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[Bruno Chareyre <question225776@xxxxxxxxxxxxxxxxxxxxx>]

Question #225776 on Yade changed:
https://answers.launchpad.net/yade/+question/225776

Bruno Chareyre proposed the following answer:
Hi Eugen,

All the current contact laws assume static=dynamic, because nobody really needed something else yet.
Writing a different laws with different friction in static vs. dynamic would not be difficult.

You are right, of course, friction gets meaningful only with a contact pair, but Yade's logic is to define the properties in materials first. Not really a problem when you are used to it.
When body1 and body2 have different values of friction, the minimum is used for the contact by default. More sophisticated combinations are possible with matchMakers (do you have something precise in mind?)

Bruno

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