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


New question #698365 on Yade:


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!

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