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Re: [Question #697597]: PeriIsoCompressor.sigma different from getStress()


Question #697597 on Yade changed:

    Status: Open => Answered

Jérôme Duriez proposed the following answer:

What is sure is that you eventually comparing two stress expressions
that are quite different:

- PIC uses some totalForceInVolume [*] expression I'm totally unfamiliar with (=> which I can not justify at the moment / ever ?)
- getStress is the classical Love-Weber formula.

Please open an issue about that engine, especially if you think there is
another issue about unbalanced force test (from another discussion)

[*] https://gitlab.com/yade-
and below

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