I have modeled I section with prestress defined in INITIAL step and Load defined in STEP-1.
When I am giving lesser load the model is running fine, however when I increased the load to capture the load deflection curve the model do no go over 70kN.
the only warning I got before starting analysis was the aspect ratio of some elements exceed 100. is this the problem ? Or there can be problem in properties definitions?
Be careful about your element types (Truss for stirrups) and constraints (e.g. embedded region).
good luck.
thank you very much Khaled for your answer.
I am sure am using the correct element types for my model
dear Azadeh,
the boundary conditions seems correct to me.
I also tried to apply the load more smoothly but the model stops after reaching almost the same load.
An initial guess could be the loading magnitude. Are you sure about that? Because the error "aspect ratio of some elements exceed 100" comes from too big deformations in some elements.
1. the problem maybe come from material definition.
2. let change increment size value (decrease the maximum value)
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