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[Jan Stránský <question706790@xxxxxxxxxxxxxxxxxxxxx>]

Question #706790 on Yade changed:
https://answers.launchpad.net/yade/+question/706790

Jan Stránský posted a new comment:
I understand that for actual simulation, you use that many particles.
My point was that for this forum and for higher probability of good answer (I was not able to run the script on my laptop, so I was only guessing), always try to create a script focusing just on the problem, trying to make it minimal (both from the point of view of code and resources needed for run).
As a byproduct, by creating such MWE, often you can find the problem yourself.

"Small" particles (in fact any particle) can "go through" a barrier, it depends on many factors, mainly:
- if velocity of the particle is not as high as that in one time step it fully goes from one side of the barrier to the other, without any possibility of contact detection
- if stiffness / force / inertia interplay is not such that the barrier cannot prevent the particle from passing through.

Cheers
Jan

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