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Re: [Question #314841]: Cannot figure out how to use 2D TriaxialStressController

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Bruno Chareyre <question314841@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 02 Aug 2016 22:43:13 -0000
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Question #314841 on Yade changed:
https://answers.launchpad.net/yade/+question/314841

Bruno Chareyre proposed the following answer:
Hi,
Imposing zero stress can be a problem when the sample-boundary contacts have no tensile strength (the typical case).
This is because no contact at all satisfy the zero-stress condition, then the wall can be just floating around, in turns giving a wrong cross-sectional area, and then a wrong stress evaluation.
I suggest to impose a small non-zero value. Would it change the problem?

Bruno

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