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Re: [Question #175394]: numerical instability and small time steps

 

Question #175394 on Yade changed:
https://answers.launchpad.net/yade/+question/175394

Christian Jakob posted a new comment:
time step determination in PFC can be different, than in Yade, i dont know.
but i know the time step width, that is stable in PFC (2e-7 s). i can set the same time step in yade, but it is unstable.
GSTS in yade tells me, that the time step should be about 2e-9 s for a stable calculation.

@bruno:
stable = !unstable

... very good^^

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