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Just remove the $secArg, then you can get the fiber strain. Try this:"recorder Element -file Element1.out -time -ele 1 section fiber 0.10 0.10 1 stressStrain ".

vesna wrote:
> to check your model run the analysis with the NormDispIncr test and look at
> the results to see if they make sense.

It can get convergence when use the NormDispIncr test with the tolerance 1e-8.

vesna wrote:
> Try to increase the tolerance.

Hi vesna. Thanks for your kind help. I increased the tolerance to 1e-1, but it still can't get convergence at the first step of lateral loading. Is there something wrong with my model ?

Hi, I build a model to do cyclic analysis. And I can get the expected result if I use the NormDispIncr test command. But when I use RelativeNormDispIncr test command, it can 't get convergence at the beginning of the analysis. How to solve the problem if I want to use the RelativeNormDispIncr test c...

dear sirvan
I found the reference hysteretic energy dissipation capacity is defined as Et=LAMBDA*My in the OpenSees source code. So I think you should use LAMBDA in bilin material.