Research Article
Oct 1982
System Reliability Bounding by Conditioning
Author: Ove DitlevsenAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 108, Issue 5
Abstract
Series systems that may fail in one of several unimodes and which have normally distributed unimode safety margins may be analysed with respect to reliability in terms of bounds reported in literature. For the majority of the correlation coefficients between the safety margins smaller than about 0.5 these bounds are very narrow Provided the total reliability is high and even if there is not just some very few dominating unimodes. It is shown how these bounds may be applied in a method of conditional sounding to give close bounds also in a case where most or all of the correlation coefficients are high. In a specific example the method is compared to another known method based on product form correlation coefficients.
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Published In
Journal of the Engineering Mechanics Division
Volume 108 • Issue 5 • October 1982
Pages: 708 - 718
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Oct 1982
Published online: Feb 3, 2021
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Ove Ditlevsen
Prof. of Applied Mathematics in Civ. Engrg., Danmarks Ingeniorakademi, Building 373, DK 2800 Lyngby, Denmark
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