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A local orientation system in ABAQUS 6.12

A local orientation system in ABAQUS 6.12

A local orientation system in ABAQUS 6.12

(OP)
Hi,

I have a quarter model which stands for an entire model of a rectangular plate with a centered hole. I used the orthotropic anisotropic material and defined those 11 constants (c, D, b1111, b2222, b.......). I also set two symmetric boundary conditions for left and bottom sides of the model and two negative pressure loads (stretching) applying on the other two sides. However, I got an error which said

"Anisotropic material properties without a local orientation system have been defined for 99 elements. Anisotropic material properties must be defined in a local orientation system. The elements are identified in element set ErrElemAnisotropicMaterial."

What does it mean? I'm wondering if anyone can solve this problem.

Thanks for your help!

SH

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