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Re: [Question #226978]: Contact force direction convention

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Kneib François <question226978@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 19 Apr 2013 08:46:11 -0000
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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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