Question #693071 on Yade changed:
https://answers.launchpad.net/yade/+question/693071
Status: Open => Answered
Jan Stránský proposed the following answer:
Hello,
> walls=aabbWalls([(0,-0.5,0),(1000e-3,0.5,250e-3)],thickness=0,material='walls')
> wallIds=O.bodies.append(walls)
> ...
> for i in O.bodies:
> i.state.blockedDOFs="yXZ"
when doing
i.state.blockedDOFs="yXZ"
You are blocking some DOFs, but you are freeing some at the same time, both
translation and rotation. Then the body should have nonzero state.mass and
nonzero state.inertia. Which is not the case of aabbWalls with thickness=0.
Mass and inertia, computed from zero volume, are zero.
So, either skip the aabb boxes, or after setting blockedDOFs:
- check if the mass is 0. If so, assign some positive value.
- check if the inertia is Vector3(0,0,0). If so, assign some nonzero vector
cheers
Jan
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