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URGENT:How define the same normal direction of irregular surface in order to map stress by sigini

URGENT:How define the same normal direction of irregular surface in order to map stress by sigini

URGENT:How define the same normal direction of irregular surface in order to map stress by sigini

(OP)
Hello to everyone,

I would like to introduce stress value over a irregular surface. My intention is that I would like to introduce stress by SIGINI subroutine.
My proble in that I would like to introduce in Z direction 200MPA and in Y 50MPa, but I do not know how can I do that in irregular surface the normal direction should be egual than regular surface. I mean in irregular surface I would like to change the normal orientation the Z to Z" and introduce that value.

Any suggestions.


Regards,

Ane
PD: I attach a photo in order to clarify my question.

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