Respuesta:
Si desea definir los criterios de fallo para un material ortótropo, tiene que definir el material plástico ortótropo en el Modelo de material (figura 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:
The material model itself is explained in several technical articles of our Knowledge Base:
