I've sent you that article. Hope it would help

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Replying to:

Hello



Well I was hoping to find some indications of those mysterious angles you have and see what are the right english expression/translation for them



Unfortunately, I cannot find those angles, even within the best Plastic theory books such as



Hill, Rodney

The mathematical Theory of Plasticity

Oxford, 1950, 355 pp.



and I got other paper but nothing in it either, so basically I cannot answer to your question as I cannot recognized those angles, which somehow measure the angle between the second (or it s cubed) and the third invarient tensor



I need much more to understand the relations and specially I would need figures or drawings to see the geometrical relationship between those invarients



cheers



SEbastien

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