Uncertainty representation and propagation in structural reliability analysis

This chapter considers the problem of uncertainty representation and propagation in the quantification of the reliability of a structure subject to cracking due to fatigue. The application is partly based on Baraldi, Popescu, and Zio. The reliability of a structure is an important issue which needs...

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Bibliographic Details
Published inUncertainty in Risk Assessment pp. 101 - 109
Format Book Chapter
LanguageEnglish
Published Chichester, United Kingdom John Wiley & Sons, Ltd 10.01.2014
Subjects
crack propagation
cyclic fatigue
epistemic uncertainty
nuclear power plant (NPP) systems
propagation
structural reliability analysis
uncertainty representation
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ISBN9781118489581
1118489586
DOI10.1002/9781118763032.ch08

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Summary:This chapter considers the problem of uncertainty representation and propagation in the quantification of the reliability of a structure subject to cracking due to fatigue. The application is partly based on Baraldi, Popescu, and Zio. The reliability of a structure is an important issue which needs to be given due attention during all phases of the life cycle of the structure, including design, manufacturing, installation, operation, maintenance, and demolition. For this, mathematical models are developed to describe the evolution of the physical state of the structure. The chapter focuses on pressurized components of nuclear power plant (NPP) systems which are subject to crack propagation initiating from manufacturing flaws under cyclic loading caused by allowed power variations or incidental transients. The chapter presents a case study that considers the problem of assessing the reliability of a structure subject to the propagation of a crack due to fatigue.
ISBN:9781118489581
1118489586
DOI:10.1002/9781118763032.ch08