Question #681383 on Yade changed:
https://answers.launchpad.net/yade/+question/681383
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, I'm not expert of Polyhedra code but it seems you are trying to question a
constitutive assumption mainly.
If someone assume that Fn is proportional to intersection's volume then
Fn=k*volume, and it _follows_ that k is in N/m^3.
You can't assume upfront that kn is a pressure regardless of the constitutive
framework (usually it's not, anyway, it tends to be a force per length).
Bruno
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