Distinguished predecessors：
I'm a beginner of this software，and I have some questions that I hope you can answer for me.
I wonder what is the difference between the use and effect of element zerolength and element zerolengthND and element zerolengthSection in opensees?Because I want to use bbarbrick to build the concrete unit and truss to simulate the steel bar, but I am not sure which one I could use to simulate the bond slip between them.I hope that some seniors with knowledge in this field can give me answers or directions.
I would appreciate it if you could answer my questions or point out the direction.
Questions about element zerolength
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