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[Anton Gladky <question151276@xxxxxxxxxxxxxxxxxxxxx>]

Question #151276 on Yade changed:
https://answers.launchpad.net/yade/+question/151276

Anton Gladky proposed the following answer:
Imported geometry in yade has no mass, it is non-dynamic, as it is
constructed of facets, which are "flat".

You can move an imported body, rotate it, measure forces, affecting on
this body etc., but it can not move "itself" due to an interaction with
other bodies.

If you need this feature, you have to created an "artificial" sphere,
give it material properties and put on this sphere the resulting forces
from the mesh. Then you measure obtained displacements and rotations of
this sphere and approximate those motions to your mesh. I think it is
possible.

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