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Re: [Question #257058]: Determining the correct value of "unp" needed to achieve a specific CohFrictMat tensile strength

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Bruno Chareyre <question257058@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 06 Nov 2014 17:51:29 -0000
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Question #257058 on Yade changed:
https://answers.launchpad.net/yade/+question/257058

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Hi,
There are misunderstandings. Sorry if I was not clear previously.
To quote answer #1 more completely:
"they will have very large tensile forces. You can change this by updating i.phys.unp after creation ( i.phys.unp = i.phys.penetrationDepth)"

It says you can change the forces by changing unp, not the strength (and the suggested update is to get null forces initially).
Strength can be assigned directly: i.phys.normalAdhesion = ... It has the dimension of a force, not a stress.

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