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2007 ultrasonic benchmark studies of interface curvature - a summary

 
: Schmerr, L.W.; Huang, R.; Raillon, R.; Chatillon, S.; Mahaut, S.; Song, S.-J.; Kim, H.-J.; Spies, M.

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Postprint urn:nbn:de:0011-n-884933 (1.1 MByte PDF)
MD5 Fingerprint: 7bc0a50c5f663e03cfe434923a53857d
Copyright AIP
Created on: 9.7.2010


Thompson, D.O.:
Review of progress in quantitative nondestructive evaluation. Vol. 27B : The 34th Annual Review of Progress in Quantitative NDE. Golden, Colorado, 22 - 27 July 2007
Melville, NY: AIP, 2008 (AIP Conference Proceedings 975,B)
ISBN: 978-0-7354-0494-6
pp.1739-1750
Annual Review of Progress in Quantitative Nondestructive Evaluation (NDE) <34, 2007, Golden/Colo.>
English
Conference Paper, Electronic Publication
Fraunhofer IZFP ()
ultrasonic benchmark; curvature study; flat-bottom hole; Point source beam model; multi-Gaussian beam model; Kirchhoff approximation; ultrasonic measurement mode

Abstract
The 2007 QNDE ultrasonic benchmark session involved researchers from four different institutions around the world. The two studies they considered examined the influence that the curvature of a cylindrical fluid-solid interface has on the measured NDE immersion test response of a flat-bottom hole (FBH) reflector The first study was a model-based study of the effects of different FBH sizes and curvatures, where the FBHs were all located a specific depth in a solid. The second study compared model-based predictions with experiments for different interface curvatures and a FBH hole of a fixed size but located at different depths. Here, we will summarize the results obtained and analyze the differences between the different models and between the model-based results and the experiments.

: http://publica.fraunhofer.de/documents/N-88493.html