My model includes members and surfaces/solids made of wood. I have already created the orthotropic material model 2D/3D. Now, I receive the error message saying that the material model for the cross-section X must be isotropic.

Answer

In this case, the orthotropic material model is probably assigned to both the surfaces/solids and the members. However, timber members require an isotropic material model. Therefore, it is necessary to create another timber material and assigned it to the corresponding members or cross-sections.

Keywords

Material Material model Isotropic Orthotropic Cross-section Error

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RFEM Main Program
RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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