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Re: [Question #695192]: wall.append(O.bodies.append(pfacet) in triaxial test

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Bruno Chareyre <question695192@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 26 Jan 2021 18:41:01 -0000
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Question #695192 on Yade changed:
https://answers.launchpad.net/yade/+question/695192

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Hi,
I would suggest to use boxes for the walls since they are completely flat. It would minimize the number of problems for a start.

Using pfacets should work but not the way you do it.
First problem: triax.wallIds is undefined, so triax engine doesn't know where to find walls .
Second problem: you can't impose the motion of a PFacet, it always follow the motion of the nodes. One exception  is if you clump facet+nodes into a clump for each of the walls. Then the clumps' ids should be used to define wallIds. 
I hope it helps
Bruno

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