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Thanks for the reply.
And is there any command to check stresses or strains? Actually the idea in creating that Matlab output was to check the strains at some locations in a fiber section. I want to check the strains that I get using recorder command during but not after the analysis.

Hi, I am doing a pushover analysis and recording the displacements in a Matlab output file in order to make it check each displacement not to exceed a certain value. When you run the Matlab file, if any displacement is larger than that value, it gives "result=FAIL" and exits. Is it possibl...

Hi Silvia,
Thanks for your reply. I thought section aggregator was in charge of coupling the behaviours rather than sections only. Then, how can I implement that? Do you have any scripts about coupling behaviours?

Hi all, I am modelling a nonlinear RC cantilever shear wall using fiber section and implementing section aggregator in order to include flexure-shear interaction. When I don't define shear behaviour I get a reasonable natural period T=0.034. But the problem is, when I include shear behaviour I get i...