On buffered failure probability in design and optimization of structures

R.T. Rockafellar and J.O. Royset

Reliability Engineering and System Safety, 2010, vol. 95, issue 5, 499-510

Abstract: In reliability engineering focused on the design and optimization of structures, the typical measure of reliability is the probability of failure of the structure or its individual components relative to specific limit states. However, the failure probability has troublesome properties that raise several theoretical, practical, and computational issues. This paper explains the seriousness of these issues in the context of design optimization and goes on to propose a new alternative measure, the buffered failure probability, which offers significant advantages. The buffered failure probability is handled with relative ease in design optimization problems, accounts for the degree of violation of a performance threshold, and is more conservative than the failure probability.

Keywords: Failure probability; Structural reliability; Reliability-based design optimization (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (27)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:95:y:2010:i:5:p:499-510

DOI: 10.1016/j.ress.2010.01.001

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