FORM analysis

A place to ask questions on how to use OpenSees to perform Finite Element Reliability Analysis

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FORM analysis

Postby mohamvasef » Fri Jun 29, 2018 12:33 am

Hello
I have a problem with running a FORM analysis for my bridge structure. When I run FORM analysis, it says "all components of gradient vector are zero". I have linked the OpenSees with RT to run the FORM analysis. FORM uses the drift output of timehistory analysis to compute the probability of failure.

I need your help. I dont know what is the problem :(
mohamvasef
 
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