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Hi! I'm using the uniaxialMaterialModIMKPinching in order to model plastic hinges into a RC frame. I have performed some dynamic non linear analyses and I have observed some anomalies in the behaviour of the recorded Moment-rotation relationship of some plastic hinges in some beams and columns: afte...

Hello, I need to use the Modified Ibarra-Medina-Krawinkler Deterioration Model with Pinched Hysteretic Response (uniaxialMaterial ModIMKPInching) in order to include pinching effect in my model. I've downloaded the latest OpenSees version a few hours ago, but the uniaxialMaterial ModIMKPInching does...