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Yes,I do.All of the columns are modeled as nonlinear beam column element.I tried to get the convergence by changing many factors like number of integration points,integration types,maximum number of integration and the tolerance.However,I got not success.

Hello fmk I have a 3-span bridge model. As I rotate the ground motion or change the ground motion time history, I have convergence problem in some cases. I decided to try Explicit Newmark Method because I couldn't get the convergence no matter how much I decreased the time step. By knowing the numbe...