Hello Samuel, I meant a bit different approach. What would really help us is both *short* and *working* script reproducing problem you have. For example:
# materials mat1 = O.material.append(FrictMat(...)) mat2 = O.material.append(FrictMat(...)) # spheres s1 = utils.sphere(...) s2 = utils.sphere(...) # initial conditions s1.state.blockedDOFs = 'xyzXYZ' # substrate s1.state.vel = Vector3(2,0,0) # for vel > 2. I have this and that problem # engines O.engines = [ ... ] O.run(2000) Thanks Jan
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