Laser-Generated Transient Lamb Wave in Thin Plates

Chin. Phys. Lett.

1996, Vol. 13

Issue (1): 24-27 DOI:

Original Articles

Laser-Generated Transient Lamb Wave in Thin Plates

WU Lei;CHENG Jian-chun;ZHANG Shu-yi

Institute of Acoustics and Laboratory of Modern Acoustics, Nanjing University, Nanjing 210093

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WU Lei, CHENG Jian-chun, ZHANG Shu-yi 1996 Chin. Phys. Lett. 13 24-27

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Abstract The laser-generated transient Lamb wave in thin isotropic plates is studied theoretically by employing the method of eigenfunction expansion. The thermoelastic displacement field is expressed by symmetric and antisymmetric Lamb wave modes, so that it is convenient to investigate the transient excitation of the lowest and higher order Lamb wave modes. The characteristics of transient Lamb waves in thin materials
with different thicknesses are discussed in details.

Keywords: 43.35.+d 81.70.Dw

Published: 01 January 1996

PACS:	43.35.+d	(Ultrasonics, quantum acoustics, and physical effects of sound)
	81.70.Dw

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I1/024

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