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Hi dear McKenna,

I'm running transient analysis on a forceBeamColumn with different mass and I have the same displacement history. With a different fundamental period, it should has a different history ?

Thanks a lot for your help.

Hi, I'm using Pinching4 to introduce shear deformation into forceBeamColumn for a pushover analysis but the force-displacement curves is the exact curve of the Pinching4. It seem like the flexural and axial stiffness haven't effect on the response of the reinforced wall. I'm using force and angular ...

I downloaded the last version 2.4.5 and the command is unavailable. There is something I'm doing wrong.

When the uniaxialmaterial Steel4 will be available in OpenSees ? I would like to try with my model.

Thank for your hint. I have a question that might help me. I have brace in the macro-element with end release on each corner. I am using beam-column for the beam then I'm doing : model BasicBuilder -ndm 2 -ndf 3; then, do I have to restraint the rotation for each node of the truss elements who are c...

Hi everyone, I'm trying to reproduce that macro-element : O’Donnell, A., Kurama, Y., and Taflanidis, A. “An analytical modeling framework for seismic risk assessment of unreinforced masonry structures.” but I have an instability in my model, but I don't know where (look at the end for the error mess...