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I built a model for a highway bridge in SAP2000. Can I get out stiffness and mass matrix from SAP2000? I want to input the matrix into a FEM problem to run some special cases. Thank you for your input. Goya

I want to define general sections (Import general, Add general)in SAP2000. All section properties required are calculated using other software. But I am asked to input Dimensions: Depth(t3) and Width (t2). Why? what's the use of t3 and t2? And since the sections are not regular, how to find t3...

Please help me be sure. Thank you for your input. For frame elements, when i input section properties, I need to define local coordinate system. Select View->Set Display Options->Frame/Cables/Tendons-> Local Axes, it will show local axes for each frame element. Are the local axes shown the...

Hello, I define frequency dependent link to simulate a kind of damper. But I don't know hot to add it in the model. Could anyone please let me know? Thanks for your information.

I just registered and found a mistake. My major is Structural, not Aeronautics, could someone tell me how to change it? Thanks.

After running a small bridge model (time history analysis),I need to get relative displacement of some joints. Can I define somewhere in SAP2000 so that I can get those relative displacement directly after running? Thanks.