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[Jan Stránský <question698036@xxxxxxxxxxxxxxxxxxxxx>]

Question #698036 on Yade changed:
https://answers.launchpad.net/yade/+question/698036

    Status: Open => Answered

Jan Stránský proposed the following answer:
> but the aim was just to rotate the facets and because of that i set
O.dt=1.

Any problem rotating them "manually"?:
- setting their position (before simulation starts)
- or velocity such that they come to desired position the next step
- ...

> I do not know why it changes automatically when the spheres are
included in the simulations?

Because of the GlobalStiffnessTimeStepper, which chooses "best" time step automatically. This is by design.
If you do not want it, set its dead=True, do not use it at all, ...

Cheers
Jan

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