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[Klaus Thoeni <question695558@xxxxxxxxxxxxxxxxxxxxx>]

Question #695558 on Yade changed:
https://answers.launchpad.net/yade/+question/695558

Klaus Thoeni posted a new comment:
Hi John,

apparently there seems to be a bug in the distribution of the forces
onto the gridNodes [1]. I have to look into it but maybe once fixed it
might also fix part of your problem. What it won't fix is the
damping/restitution coefficient issue. Several materials/contact laws in
Yade support viscous damping/restitution coefficients. FrictViscoMat is
one of them but it only has damping in normal direction. ViscElMat is
more general or you could also use Ip2_FrictMat_FrictMat_MindlinPhys

I aim to fix the bug next week.

Klaus

[1] https://gitlab.com/yade-dev/trunk/-/issues/184

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