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POD evaluation using simulation: A phased array UT case on a complex geometry part

Abstract : The use of Probability of Detection (POD) for NDT performances demonstration is a key link in products lifecycle management. The POD approach is to apply the given NDT procedure on a series of known flaws to estimate the probability to detect with respect to the flaw size. A POD is relevant if and only if NDT operations are carried out within the range of variability authorized by the procedure. Such experimental campaigns require collection of large enough datasets to cover the range of variability with sufficient occurrences to build a reliable POD statistics, leading to expensive costs to get POD curves. In the last decade research activities have been led in the USA with the MAPOD group and later in Europe with the SISTAE and PICASSO projects based on the idea to use models and simulation tools to feed POD estimations. This paper proposes an example of application of POD using simulation on the inspection procedure of a complex -full 3D- geometry part using phased arrays ultrasonic testing. It illustrates the methodology and the associated tools developed in the CIVA software. The paper finally provides elements of further progress in the domain.
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Submitted on : Friday, June 22, 2018 - 8:31:52 AM
Last modification on : Monday, February 10, 2020 - 6:13:47 PM





N. Dominguez, F. Reverdy, F. Jenson. POD evaluation using simulation: A phased array UT case on a complex geometry part. 40TH ANNUAL REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION: Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing, Jul 2013, Baltimore, MD, United States. pp.2031-2038, ⟨10.1063/1.4865073⟩. ⟨cea-01820680⟩



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