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negative stress = compressive stress ?

Posted Jun 20, 2010, 5:10 a.m. EDT 2 Replies

Christoph Mannal
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Hello,

I have a simple question. When my value of normal stress is negative, is it then a compressive stress in general. So if it is positive, is it then tensile stress?
Or does the minus and plus just mean in which direction the stress vector is pointing?

Thanks and kind regards!

C. Mannal
2 Replies Last Post Jun 20, 2010, 1:31 p.m. EDT
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Jun 20, 2010, 1:28 p.m. EDT
Hi

what if you try something like this (its V4, check that it's the same in V3.5)

Ivar
Hi what if you try something like this (its V4, check that it's the same in V3.5) Ivar

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Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago Jun 20, 2010, 1:31 p.m. EDT
Hi
And here are the view (only that in V4 it's not easy to identify which legend corresponds to which graph, but as the countour is Von Mises and von Mises >0 you should be able to identify it still unambiguously)

Have fun Comsoling
Ivar
Hi And here are the view (only that in V4 it's not easy to identify which legend corresponds to which graph, but as the countour is Von Mises and von Mises >0 you should be able to identify it still unambiguously) Have fun Comsoling Ivar

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