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hi prof. McKenna I have one question please, I appreciate your help. my model consist a plane 2D frame. I modeled beam and column by displacement based nonlinear element and so I sliced each element to several sub-element. (because convergence problem I can not use other type of nonlinear element). ...

hi prof. McKenna in my model, when I use nonlinearBeamColumn element (force based), the internal force (axial,shear and bending) which I obtain from this command : ' recorder Element -file ele1local.out -time -ele 1 localForce' is acceptable. but when I change elements to displacement based nonlinea...

thanks for your replying. for assigning pin-connection at node 2, is it true? at first I add one node which has the same coordinate of node 2 ( this node as I mentioned above as constraint of 'fix 2 0. 1. 1.') node 5 0 $h then equalDOF 5 2 1 2 I have a base question, is any internal force transmitte...

hi to all in my model (steel 2d frame), I want beams behave as a rigid element, in other word i expect that beams don't have any deflections. in using 'rigidLink beam' command, I have a question and I am hopping that someone could help me. please suppose one bay- one story frame (h is height of fram...