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Hi, I modeled an 2D inelastic column in this way: node1=bottom of column (fix) node2=top of column node3=node where I apply a mass a nonlinearBeamColumn element connect nodes 1 2. At a first time I created a rigidLink beam 2 3 and I run static analysis (done successfully). At a second time I created...

Hi, I am a student that use opensees for the first time. I have to model a frame pier of a isolated bridge. I modeled elastic elastomeric bearings with zeroLength elements, but I have problems. Can someone provide me a simple model/example of this, please? so I can understand my mistakes.
Thanks