A Bayesian framework for the quantitative modelling of the ENIQ methodology for qualification of non-destructive testing

Luca Gandossi, Kaisa Simola

Research output: Book/ReportReport

Abstract

The European methodology for qualification of non-destructive testing has been adopted as the basis of inspection qualification for nuclear utilities in many European countries. The inspection qualification is based on a combination of technical justification and practical trials. The methodology is qualitative in nature, and it does not give explicit guidance on how the evidence from technical justification and results from trials should be weighted. This report describes a Bayesian approach to combine these pieces of evidence. The approach improves the transparency in the qualification process and produces estimates on the probability of detection that could for instance be used in structural reliability evaluation and risk-informed in-service inspection.
Original languageEnglish
Place of PublicationLuxembourg
PublisherEuropean Commission EC
Number of pages58
Publication statusPublished - 2007
MoE publication typeD4 Published development or research report or study

Publication series

SeriesEU Publications
NumberEUR 22675 EN
ISSN1018-5593

Keywords

  • NDT qualification
  • Bayesian statistics
  • expert judgement

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