Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Laser-generated ultrasound in solids
Blaháček M., Zídek J., Landa M., Urbánek P., Bajgar V.
pages 30 - +8p., full text

To better understand ultrasonic wave propagation in thin-wall structures (e.g. glass or composite plates) and to evaluate physical properties of the structure material, new methods for ultrasonic wave generation are necessary. Optical technique using Nd:YAG pulse laser as the wave source is suitable method example. Recorded wave analysis requires application of advanced time-frequency transformation, as is wavelet transformation, by reason of the wave dispersion. In the paper laser ultrasound technique is discussed and some important results of wavelet analysis are shown.

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All papers were reviewed by members of the scientific committee.

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