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Re: [Question #239900]: equivalent damping calculation in ViscElPhys

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Raphaël Maurin <question239900@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 28 Nov 2013 15:11:21 -0000
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Question #239900 on Yade changed:
https://answers.launchpad.net/yade/+question/239900

    Status: Answered => Open

Raphaël Maurin is still having a problem:
I thought again at the problem, and I think we should stay consistent with the formulation cn = cn1cn2/(cn1 + cn2) all along. Because, if we make an exception for cn1 or cn2 = 0, the behavior will not be continue in a way. Think for example at keeping cn2 at a certain value and reducing slowly cn1 until 0, you have a discontinuity in the behavior at 0 which is not consistent. It is just a matter of being consistent, so, I think it is good to change and apply also the formulation cn = cn1cn2/(cn1 + cn2) at zero , and if nobody disagree I am going to do it.
Raphael

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