2025-06-10
057172
Rigid Links and Diaphragm Couplings in 3D Model Analysis
Finite element nodes show how rigid links couple horizontal displacements in structural analysis using the Rigid Diaphragm story type.
The image illustrates rigid links applied to each finite element node, demonstrating the coupling of horizontal displacements when using the Rigid Diaphragm story type in the Building Model add-on. This method assumes infinite slab rigidity in 3D calculations, allowing separate result evaluation for slabs and walls. It is suitable for scenarios where floor flexibility is negligible in traditional structural analysis.
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