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Seismic Design Aids for Nonlinear Analysis
Image 6.28 Nonlinear hinge properties for columns, step 3.
Step 19: Define nonlinear hinge properties for column hinges, continued. Go to Menu – Define – Hinge Properties. (Image 6.28) Step 20: Mass source. Go to Menu – Define – Mass Source. (Image 6.29) Step 21: Assign end length offset to ensure rigidity of connections between beams and columns. Select all the members and joints, in total. Go to Menu – Assign – Frame/Cable/Tendon – End (length) Offsets. (Image 6.30)
Image 6.29 Defining mass source.