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Structural reliability and reliability sensitivity analysis of extremely rare failure events by combining sampling and surrogate model methods

Published on May 17, 2019
· DOI :10.1177/1748006X19844666
Pengfei Wei (NPU: Northwestern Polytechnical University), Chenghu Tang (NPU: Northwestern Polytechnical University), Yuting Yang (NPU: Northwestern Polytechnical University)
Abstract
The aim of this article is to study the reliability analysis, parametric reliability sensitivity analysis and global reliability sensitivity analysis of structures with extremely rare failure events. First, the global reliability sensitivity indices are restudied, and we show that the total effect index can also be interpreted as the effect of randomly copying each individual input variable on the failure surface. Second, a new method, denoted as Active learning Kriging Markov Chain Monte Carlo (AK-MCMC), is developed for adaptively approximating the failure surface with active learning Kriging surrogate model as well as dynamically updated Monte Carlo or Markov chain Monte Carlo populations. Third, the AK-MCMC procedure combined with the quasi-optimal importance sampling procedure is extended for estimating the failure probability and the parametric reliability sensitivity and global reliability sensitivity indices. For estimating the global reliability sensitivity indices, two new importance sampling es...
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#2Zhenzhou Lu (NPU: Northwestern Polytechnical University)H-Index: 1
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#2Zhenzhou Lu (NPU: Northwestern Polytechnical University)H-Index: 18
Last.Leigang Zhang (China Academy of Launch Vehicle Technology)H-Index: 1
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#2Zhenzhou Lu (NPU: Northwestern Polytechnical University)H-Index: 18
Last.Mengmeng Wu (NPU: Northwestern Polytechnical University)H-Index: 1
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#1Ivan Depina (NTNU: Norwegian University of Science and Technology)H-Index: 3
#2Thi Minh Hue Le (SINTEF)H-Index: 6
Last.Gudmund Reidar Eiksund (NTNU: Norwegian University of Science and Technology)H-Index: 5
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#1Pengfei Wei (NPU: Northwestern Polytechnical University)H-Index: 9
#2Jingwen Song (NPU: Northwestern Polytechnical University)H-Index: 6
Last.Zhufeng Yue (NPU: Northwestern Polytechnical University)H-Index: 3
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#1Somdatta Goswami (Indian Institute of Engineering Science and Technology, Shibpur)H-Index: 1
#2Shyamal Ghosh (Indian Institute of Engineering Science and Technology, Shibpur)H-Index: 3
Last.Subrata Chakraborty (Indian Institute of Engineering Science and Technology, Shibpur)H-Index: 17
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#1Xiaoxu Huang (HUST: Huazhong University of Science and Technology)H-Index: 1
#2Jianqiao Chen (HUST: Huazhong University of Science and Technology)H-Index: 1
Last.Hongping Zhu (HUST: Huazhong University of Science and Technology)H-Index: 1
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