Title: Laser ultrasonic study of Lamb waves: determination of the thickness and velocities of a thin plate
Authors: Gao, WM
Glorieux, Christ
Thoen, Jan #
Issue Date: Jan-2003
Publisher: Pergamon-elsevier science ltd
Series Title: International journal of engineering science vol:41 issue:2 pages:219-228
Abstract: Transient Lamb waves in a thin copper plate were generated and measured using a laser ultrasonic setup. A two-dimensional Fourier transform method has been employed to analyse the dispersion curves. This allowed a clear identification of multi-mode Lamb waves. Fitting of the dispersion curve allowed a direct determination of the thickness and bulk velocities, as well as the elastic constants. The obtained experimental results of Lamb waves on a copper plate show excellent agreement with the theoretical model. (C) 2002 Elsevier Science Ltd. All rights reserved.
ISSN: 0020-7225
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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