Defining the Failure Criterion for Orthotropic Materials Using the Tsai-Wu Yield Criterion

If you want to define the failure criterion s for an orthotropic material, you have to define the orthotropic plastic material under Material Model (Image 01).

The yield criterion will be taken according to the Tsai-Wu criterion (Image 02).

Under this link, you can find a full set of verification examples to this material model:

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Material Model

Tsai-Wu 2D