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[Bruno Chareyre <question271097@xxxxxxxxxxxxxxxxxxxxx>]

Question #271097 on Yade changed:
https://answers.launchpad.net/yade/+question/271097

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Yes you are right. We use rather different semantic and that's why the doc is confusing for you probably.
I never speak of cohesive force vs. non-cohesive force. For me there is just a contact force.
A cohesive contact remains cohesive be it in traction or compression. "Cohesive" just means F_n=min(k_n*u_n, a_n) with a_n not zero. This definition holds whatever the sign of u_n.

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