Question #226978 on Yade changed:
https://answers.launchpad.net/yade/+question/226978
Status: Answered => Solved
Kneib François confirmed that the question is solved:
Ok, in fact my question was : do shearForce and normalForce always
represent the force applied by id1 to id2 ? So the answer is yes.
When you write :
i.phys.shearForce + i.geom.normal * i.phys.normalForce,
you assume that i.phys.normalForce is a scalar I guess. It seems that
i.phys.normalForce is already the vector described by
i.geom.normal * (kn*un)
Thank you Bruno.
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