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Frequently Asked Questions (FAQ)
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AnswerThe modulus of elasticity is calculated for each step of the defined diagram according hooks law ε=σ/E.The modulus of elasticity is displayed on the right side of the diagram (picture 1).
AnswerThe add-on module RF-MAT NL is already integrated in RFEM 5. It is assumed that the following material models can be used:Isotropic Plastic 1DIsotropic Plastic 2D/3DIsotropic Nonlinear Elastic 1DIsotropic Nonlinear Elastic 2D/3DOrthotropic plastic 2DOrthotropic 3D plasticIsotropic Masonry 2DIsotropic damage 2D / 3D
The modeling can not initially be modeled using an offset, as this is generated internally via a rigid rod from the source node to the rod and thus the protrusion is not taken into account in the surface. Instead, extensions must be generated on both sides. In the end, the fall consists of three bars, as shown in Figure 1.
AnswerIn order to use the "Isotropic Masonry 2D" material, the RF‑MAT NL add-on module has to be licensed. Without the RF‑MAT NL license, only the material models "Isotropic linear elastic" and "Orthotropic elastic 2D/3D" are available.
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