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[Question #698365]: non zero incident velocity on sticking contact

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Eleni Gerolymatou <question698365@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 13 Aug 2021 11:15:49 -0000
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New question #698365 on Yade:
https://answers.launchpad.net/yade/+question/698365

Hello,

I am outputing contact and sphere attributes for a simulation of frictional spheres. I wish to determine whether a contact is sliding or rolling or both or none.

Using the body velocities or the i.geom.incidentVel(i) option I get the same result: velocities in the order of magnitude of the sphere velocities, even for non sliding. Why is that the case and how can I get the 'correct' relative velocity at the contact, i.e. a value close to zero for sticking contacts?

Any help or explanation is greatly appreciated!
eleni

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