Sensitivity Analysis of Fuzzy Structural Reliability Using Adaptive Stability Transformation Method

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KESHTEGAR B.; BAGHERI M.

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Paper Information

Journal: Ferdowsi Civil Engineering Year:2019 | Volume:32 | Issue:1 Page(s): 119-136

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Title

Sensitivity Analysis of Fuzzy Structural Reliability Using Adaptive Stability Transformation Method

Author(s)

KESHTEGAR B. | BAGHERI M. | Issue Writer Certificate

Keywords

Fuzzy Reliability AnalysisQ1

Entropy-Shannon Sensitivity AnalysisQ1

Adaptive Stability Transformation MethodQ1

Abstract

In this paper epistemic uncertainty of random variables in the reliability analysis of Adjusted Stability Transformation Method has been modeled and fuzzy structural reliability index has been determined using GA. In the reliability analysis process, a dynamic adaptive approach based on stability transformation method has been applied which the control coefficient is self-adapted at each iteration. Moreover in order to investigate the importance of epistemic uncertainty in the fuzzy structural reliability index, sensitivity analysis using Entropy-Shannon has been done. Survey results of three structural examples indicate that the proposed reliability method provides stable results with suitable computational efficiency. The sensitivity of failure probability to epistemic uncertainty has shown a considerable effect on the structural reliability in some problems.

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APA: Copy

KESHTEGAR, B., & BAGHERI, M.. (2019). Sensitivity Analysis of Fuzzy Structural Reliability Using Adaptive Stability Transformation Method. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 32(1 ), 119-136. SID. https://sid.ir/paper/195957/en

Vancouver: Copy

KESHTEGAR B., BAGHERI M.. Sensitivity Analysis of Fuzzy Structural Reliability Using Adaptive Stability Transformation Method. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2019;32(1 ):119-136. Available from: https://sid.ir/paper/195957/en

IEEE: Copy

B. KESHTEGAR, and M. BAGHERI, “Sensitivity Analysis of Fuzzy Structural Reliability Using Adaptive Stability Transformation Method,” JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 32, no. 1 , pp. 119–136, 2019, [Online]. Available: https://sid.ir/paper/195957/en

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