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[Jan Stránský <question688993@xxxxxxxxxxxxxxxxxxxxx>]

Question #688993 on Yade changed:
https://answers.launchpad.net/yade/+question/688993

    Status: Open => Needs information

Jan Stránský requested more information:
> note: Most of polyhedrals have sharp angle, does this have effect on
this problem?

no

> decreasing young module until 10e3 can help the situation
> Unfortunately decreasing stiffness or time step did help at all. :(

please be consistent. So does it help or not?

> for more particles, I set time step:10e-8.

Why? the value of time step should not depend on number of particles..

> Actually I think contact model in polyhedrals has problem!As the two
polyhedrals collide very slowly, their velocity and kinetic energy
increase abnormally!!

can you please provide a Minimal Working Example (e.g. two polhedrons)
reproducing this? thanks

cheers
Jan

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