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I created a new material in OpenSees, and I wanna update one of its parameter during analysis. When I try this on a simple structure consist of just one zeroLength element like element zeroLength 1 1 2 -mat 1 1 -dir 1 2 parameter 1 element 1 material 1 para1 ...... updateParameter 1 0.01 It goes wel...

Hello everyone, How can I set the retained and constrained nodes of the rigid links so that the simplification shown in the following picture can be achieved? https://i.loli.net/2021/10/08/DPlZnE5vfK4X368.jpg I did it like this: rigidLink beam 1 2 rigidLink beam 1 3 rigidLink beam 4 5 rigidLink beam...