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shear stress sign convention in comsol

Posted 19.12.2013, 00:53 GMT-5 Structural Mechanics 2 Replies

Xiang Yan
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Does anyone know what sign convention for shear stress follows in COMSOL?
It seems it does not follow the elasticity sign convention for shear stress.
2 Replies Last Post 21.12.2013, 15:23 GMT-5
Henrik Sönnerlind COMSOL Employee

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Posted: 1 decade ago 19.12.2013, 03:01 GMT-5
Hi,

The convention is the one usually used in elasticity:

If the xy component of shear stress is positive, then the traction on a face with the normal in the positive x-direction acts in the positive y direction.

Regards,
Henrik
Hi, The convention is the one usually used in elasticity: If the xy component of shear stress is positive, then the traction on a face with the normal in the positive x-direction acts in the positive y direction. Regards, Henrik
Xiang Yan
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Posted: 1 decade ago 21.12.2013, 15:23 GMT-5
Henrik，Thanks! I got this question cleared.
Henrik，Thanks! I got this question cleared.

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