Question #679648 on Yade changed:
https://answers.launchpad.net/yade/+question/679648
Status: Open => Answered
Jan Stránský proposed the following answer:
Hello,
please provide a MWE [1].
> even when increasing the stiffness
what values have you tired?
try to increase more :-)
by default, the repulsive force between polyhedrons is proportional to
the overlapping volume, which might be "very small" but "visually
noticeable". You can set the volumePower [2] to 1/3. or even less to get
higher forces for smaller overlapping volume.
cheers
Jan
[1] https://yade-dem.org/wiki/Howtoask
[2]
https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Law2_PolyhedraGeom_PolyhedraPhys_Volumetric.volumePower
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