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Hi I'm trying to model a slab which is representated by ShellMITC4 elements but at some point of it's length the slab has releases. The releases are zeroLength elements. I want to know if it's possible to representate slab releases as zeroLength elements in the model.

Yes, because all internal forces are the same, except the shear diagram (reactions, axial, etc forces are the same)

I am modeling a composite behavior of a slab and a girder. The shear diagram of the beam, according to OpenSees is 50% of the shear diagram obtained in SAP2000. But the bending moment diagram is the same for OpenSees and SAP2000 results. Why is this happening?

Hi, I am modeling a composite section (slab and beam) and I have rigidLinks between the slab nodes and beam nodes, but i have a question... it's possible create a recorder for the rigidLink (i mean the forces due to the rigidLink in the nodes)

Thanks for the reply, but i don't see the link. Where I can find it?

Hi, I am using ShellMITC4 elements in OpenSees and I have these recorders: recorder Element -file folderResults/forces.out -time -ele 1 2 3 4 forces recorder Element -file folderResults/stresses.out -time -ele 1 2 3 4 stresses recorder Element -file folderResults/strains.out -time -ele 1 2 3 4 strai...