Failure of practical engineering systems could be induced by several correlated failure modes, and consequently reliability analysis are conducted with multiple disjointed failure regions in the system random input space. Problems with disjointed failure regions create a great challenge for existing reliability analysis approaches due to the discontinuity of the system performance function between these regions. This paper presents a new enhanced Monte Carlo simulation (EMCS) approach for reliability analysis and design considering disjointed failure regions. The ordinary Kriging method is adopted to construct surrogate model for the performance function so that Monte Carlo simulation (MCS) can be used to estimate the reliability. A maximum failure potential based sampling scheme is developed to iteratively search failure samples and update the Kriging model. Two case studies are used to demonstrate the efficacy of the proposed methodology.
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ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 2–5, 2015
Boston, Massachusetts, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5708-3
PROCEEDINGS PAPER
Reliability Analysis and Design Considering Disjointed Active Failure Regions
Pingfeng Wang,
Pingfeng Wang
Wichita State University, Wichita, KS
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Xiaolong Cui,
Xiaolong Cui
Wichita State University, Wichita, KS
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Zequn Wang
Zequn Wang
Wichita State University, Wichita, KS
Search for other works by this author on:
Pingfeng Wang
Wichita State University, Wichita, KS
Xiaolong Cui
Wichita State University, Wichita, KS
Zequn Wang
Wichita State University, Wichita, KS
Paper No:
DETC2015-47003, V02BT03A058; 6 pages
Published Online:
January 19, 2016
Citation
Wang, P, Cui, X, & Wang, Z. "Reliability Analysis and Design Considering Disjointed Active Failure Regions." Proceedings of the ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 2B: 41st Design Automation Conference. Boston, Massachusetts, USA. August 2–5, 2015. V02BT03A058. ASME. https://doi.org/10.1115/DETC2015-47003
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