Yade

scripts/test/shots.py not available

Asked by Alexander Eulitz [Eugen]

Hi,
in class reference of Ip2_FrictMat_FrictMat_MindlinPhys [1] an example script "shots.py" is linked. But it does not exist anymore. What happened with it?
I'm interested in how coefficients of restitution are calculated there.

Thanks,
Alex

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[1] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Ip2_FrictMat_FrictMat_MindlinPhys

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Václav Šmilauer (eudoxos) said : 		#1

You can check the code assigning the coeffs at https://github.com/yade/trunk/blob/master/pkg/dem/HertzMindlin.cpp#L82. For the theory behind that, check out http://woodem.eu/doc/theory/contact/hertzian.html#viscous-damping (the formulas used there are slightly different, but they will give you enough background).

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