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Results of the 2007 UT modeling benchmark using two semi-analytical beam propagation and flaw scattering models

: Raillon, R.; Chatillon, S.; Mahaut, S.; Spies, M.

Postprint urn:nbn:de:0011-n-875678 (755 KByte PDF)
MD5 Fingerprint: 25a860723e993d17c890285cb84e2d7c
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
Annual Review of Progress in Quantitative Nondestructive Evaluation (NDE) <34, 2007, Golden/Colo.>
Conference Paper, Electronic Publication
Fraunhofer IZFP ()
ultrasonic benchmark; UT simulation; semi-analytical model; curvature study

This paper presents some applications of ultrasonic (UT) simulation codes developed at IZFP, Germany and at CEA LIST, France, those latter being integrated into the CIVA software platform. These UT simulation codes are dedicated to the prediction of echo-responses from flaws. Results given and discussed are those obtained for the various problems of the 2007 UT Benchmark modeling session. They concern the responses from flat-bottomed holes inside curved blocks (concave or convex) inspected with immersed probes. The simulation codes are used to investigate the influence of the curvature upon the amplitude response of the flaw with respect to a flat specimen, used as a reference. Comparison with experimental results is also discussed.