I did a nonlinear static analysis (Pushover) on a RC bracing moment frames with 2 spans and 3 levels (2D model) using SeismoStruct software.

Beam-Column Element types used is ==> Inelastic force-based plastic hinge frame element type- infrmFBPH

And then I make the same model in SAP2000 software with plastic hinge of the type Fibre P-M-M

The two curves (Pushover curve) are almost identical (Seismo and sap2000).

My question is as follows,

- Did I do the modeling correctly with regard to the plastic Hinge?

-In the three-dimensional model (3D) does not give us convergence in the results. Is the problem in coupling?

thanks in advance

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