Probabilistic model for pressure vessel reliability incorporating fracture mechanics and nondestructive examination

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A probabilistic model has been developed for predicting the reliability of structures based on fracture mechanics and the results of nondestructive examination (NDE). The distinctive feature of this model is the way in which inspection results and the probability of detection (POD) curve are used to calculate a probability density function (PDF) for the number of flaws and the distribution of those flaws among the various size ranges. In combination with a probabilistic fracture mechanics model, this density function is used to estimate the probability of failure (POF) of a structure in which flaws have been detected by NDE. The … continued below

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9 p.

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Tow, D.M. & Reuter, W.G. March 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 211 times. More information about this article can be viewed below.

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Description

A probabilistic model has been developed for predicting the reliability of structures based on fracture mechanics and the results of nondestructive examination (NDE). The distinctive feature of this model is the way in which inspection results and the probability of detection (POD) curve are used to calculate a probability density function (PDF) for the number of flaws and the distribution of those flaws among the various size ranges. In combination with a probabilistic fracture mechanics model, this density function is used to estimate the probability of failure (POF) of a structure in which flaws have been detected by NDE. The model is useful for parametric studies of inspection techniques and material characteristics.

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9 p.

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OSTI as DE98052251

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  • SPIE non-destructive evaluation techniques for aging infrastructure and manufacturing, San Antonio, TX (United States), 31 Mar - 2 Apr 1998

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  • Other: DE98052251
  • Report No.: INEEL/CON--98-00033
  • Report No.: CONF-980334--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 585004
  • Archival Resource Key: ark:/67531/metadc695358

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 25, 2016, 1:09 p.m.

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Tow, D.M. & Reuter, W.G. Probabilistic model for pressure vessel reliability incorporating fracture mechanics and nondestructive examination, article, March 1, 1998; Idaho Falls, Idaho. (https://digital.library.unt.edu/ark:/67531/metadc695358/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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