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As seen below, the properties of "Rigid_Section1" are 100 times greater than those of "Column1," which happens to be the largest section in the project. Hence, it is duplicated, and its sectional properties are multiplied by 100. Moreover, "RigidMaterial1" has a specified modulus of elasticity of 29000ksi, approximately 6.54 times higher than the modulus of elasticity of “FC_5_1/2ksi” concrete, which is 4428ksi. Consequently, the EI and EA values of the rigid section are 650 times larger than the largest section in the project. Additionally, the unit weight “unit weight” and “Thermal Coeff.” of "Rigid_Material1" is are explicitly set to 0.
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Duplicating a section might not be a good idea because it duplicates along with its shapes, and graphically, you will see a section in the FEA view at rigid section locations. Therefore, make sure that the section you use does not include any shapes. |
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