Computer Simulation of Probability of Detection
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
The purpose of this paper is to describe an integrated model for assessing the performance of a given ultrasonic inspection system for detecting internal flaws, where the performance of such a system is measured by probability of detection and other related quantities. The integrated model incorporates much of the work described in Thompson (1982), Gray and Thompson (1982), Thompson and Gray (1982), Addison and Elsley (1982), and Tittmann and Ahlberg (1982), The major challenges to these investigators were to properly account for the effects of real part geometries on sound propagation and to measure noise spectra due to various noise mechanisms. The results of these efforts could be incorporated into a model which computes a signal-to-noise ratio for any given transducer configuration and flaw state. The choice of an optimal transducer configuration might then be guided by such calculations.