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3 Spheres as pattern.
3 different contact definitions, patterned over spheres. (contact_flat,contact_cylinder,contact_flat2)
change Mu_DY in one location as parameter.
This can easily change to as many spheres as we want because all contacts update automatically.
I use spheres patterned on approximate curves to create any arbitrary 3D contact shape I want. The pattern is very important to reduce many clicks selecting contact pairs.
Of course the more spheres, the longer the simulation, hence for this only 3 spheres.
note: torroid contact to cylinder was not allowed.
also, I added spin to initial condition.
Note model tree as well as parameter window.
click yes to add as relation,