Convergence Issue

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    I am doing static pushover analysis of a 2-story 2-bay frame, but facing problems with convergence.

    I have used ZeroLength element as inelastic bending spring at the bottom ends of 1st story columns.
    For beam-column joints, I’ve used Joint2D element and uniaxialMaterial Hysteretic.
    Besides I’ve used elasticBeamColumn elements.

    Could anyone please help me with this? I don’t understand why the model is not converging. I’ve tried different system, numberer etc. If anyone is interested to help, i’ll send the tcl file.

    thanks and regards


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