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[Bruno Chareyre <question295521@xxxxxxxxxxxxxxxxxxxxx>]

Question #295521 on Yade changed:
https://answers.launchpad.net/yade/+question/295521

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
>[1] Are there anything wrong in my understanding of contact normal
distribution?

Looking at fig.2, your maths are wrong for sure. I can't tell where exactly.
Even figs.3 and 4 are weird, the extrema are like shifted by pi/4 from what is expected with vertical+horizontal walls.

>[2] Or Yade has its own pattern in defining the contact normal?

Not at all.

Bruno

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