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Choose 3D Orthotropic to create a 3D Transversely Isotropic material and leave the values for the third axis (E3=x) empty.
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3D Orthotropic Material
The properties of 3D Orthotropic material are directional dependent. For every main axis a different Young's modulus is needed as well as Shear Moduli for all planes and the Poisson’s ratios.
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