Laser Vibrometry Based Detection of Delaminations in Glass/Epoxy Composites

[+] Author and Article Information
M. Y. Amraoui, N. A. J. Lieven

Department of Aerospace Engineering, Queens Building, University of Bristol, Bristol, BS8 1TR, UK

J. Vib. Acoust 126(3), 430-437 (Jul 30, 2004) (8 pages) doi:10.1115/1.1687390 History: Received May 01, 2002; Revised March 01, 2003; Online July 30, 2004
Copyright © 2004 by ASME
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Delaminated composite plate
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Stress distribution in plate generated by bounded piezo-actuators
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Schematic of the experimental testing
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Constant axis numbering
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Maps of the slope αii, and the deviation DVi
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Training and testing areas
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MLP neural network (classification)
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Output of the trained and tested neural networks




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