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Time-variant structural fuzzy reliability analysis under stochastic loads applied several times

Time-variant structural fuzzy reliability analysis under stochastic loads applied several times

Fang, Yongfeng, Xiong, Jianbin and Tee, Kong Fah (2015) Time-variant structural fuzzy reliability analysis under stochastic loads applied several times. Structural Engineering and Mechanics, 55 (3). pp. 525-534. ISSN 1225-4568 (doi:10.12989/sem.2015.55.3.525)

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Abstract

A new structural dynamic fuzzy reliability analysis under stochastic loads which are applied several times is proposed in this paper. The fuzzy reliability prediction models based on time responses with and without strength degeneration are established using the stress-strength interference theory. The random loads are applied several times and fuzzy structural strength is analyzed. The efficiency of the proposed method is demonstrated numerically through an example. The results have shown that the proposed method is practicable, feasible and gives a reasonably accurate prediction. The analysis shows that the probabilistic reliability is a special case of fuzzy reliability and fuzzy reliability of structural strength without degeneration is also a special case of fuzzy reliability with structural strength degeneration.

Item Type: Article
Uncontrolled Keywords: fuzzy; dynamic reliability; probability; stochastic loads
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Engineering Science
Last Modified: 17 Oct 2016 09:13
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/14409

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