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Re: [Question #275459]: Damping in Hertz-Mindlin contact law

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From: Bruno Chareyre <question275459@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 01 Dec 2015 13:36:58 -0000
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Question #275459 on Yade changed:
https://answers.launchpad.net/yade/+question/275459

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Both ways are consistent. If it considered that friction coefficient gives an upper bound of the elastic force then the fact that elastic+viscous force can be larger is consistent (this is the current situation).
If it is decided that the upper bound is an upper bound for the total force, then it should not exceed (not possible currently if I understand correctly).
There is no "best" assumption in my opinion, they are both constitutive assumptions and which one is closer to reality may depend on the materials.

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