performance criterion

[mohsenkh]

Dear

I read the performance criterion in the help of SeismoStruct. I modeled and analysed a shear wall frame (6 stories). The structure was analysed with incremental dynamic.

The results have shown that the analysis log was stopped at 0.85g (scale factor), but the performance log was stop at 0.6g.

I do not understand that are the performance criterion local or global in the analysis process? i.e., are the performance criterion the value of drift corresponding a performance level?

Best Regards;

[huffte]

Hi mohsenkh. It is unclear as to exactly which type of performance criteria you have specified for your project.

If infrmFB elements are used - requiring no discretization - then chord rotation performace driteria should be directly applicable with no external post-processing needed. If discretized inelastic elements are used, then the reported chord rotations are not directly comparable to code-based limits.

It is also unclear as to the level of loading. I assume all references to "g" actually refer to scaled factors? To which action is your performance criteria associated - Stop, Notify, Pause, or Inactive?

[mohsenkh]

Dear Huffta

Thanks for your help.

I used infrmFB element in my model. My performance criteria are associated with Notify.

What are the performance criterion in my model? Can you more explain the performance criterion?

Best Regards.

[seismosoft]

Dear mohsenkh,

We would probably suggest you to simply delete the performance criteria from your input model, and in this way avoid the apparent confusion.

Seismosoft Support