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Re: [Question #700274]: Facet in the model disappears


Question #700274 on Yade changed:

    Status: Open => Answered

Karol Brzezinski proposed the following answer:

without running the example, I can suspect that facets 'fly away' after the contact because they can :)
If you want to maintain the constant speed of the facets, just prescribe the speed, don't change degrees of freedom (still all DOFs should be fixed). I guess this is what you wanted to achieve.

But if you want the facets to act as dynamic bodies in the z-direction,
you can set the DOFs as you did, but you need to prescribe some mass to
the facets. Otherwise, any force divided by zero mass results in
infinite acceleration.


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