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[JOHN <question665405@xxxxxxxxxxxxxxxxxxxxx>]

Question #665405 on Yade changed:
https://answers.launchpad.net/yade/+question/665405

    Status: Needs information => Solved

JOHN confirmed that the question is solved:
Hi, 
thanks again. My example is unfortunately not easily given in minimal form. 
The simulation itself just creates a hexagonal packing, imports an stl, substracts spheres that are in or partially in the walls and runs with the following engine
O.engines=[
		   ForceResetter(),
		   InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()]),
		   InteractionLoop(
		# handle sphere+sphere and facet+sphere collisions
		      [Ig2_Sphere_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom()],
		      [Ip2_FrictMat_FrictMat_FrictPhys()],
		      [Law2_ScGeom_FrictPhys_CundallStrack()]

                   ),

                   NewtonIntegrator(gravity=(0,-9.81,0),damping=0.4,
label='newtonInt'),


the tricky part is an outside function that calculates rotations which is not easily given in minimal form

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