Fronts of Stress Waves in Anisotropic Piezoelectric Media

Chin. Phys. Lett.

2004, Vol. 21

Issue (1): 194-196 DOI:

Original Articles

Fronts of Stress Waves in Anisotropic Piezoelectric Media

LIU Ying;LIU Kai-Xin;GAO Ling-Tian

Department of Mechanics and Engineering Science, Peking University, Beijing 100871

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LIU Ying, LIU Kai-Xin, GAO Ling-Tian 2004 Chin. Phys. Lett. 21 194-196

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Abstract The characteristic of wave fronts in anisotropic piezoelectric media is analysed by adopting the generalized characteristic theory. Analytical expressions for wave velocities and wave fronts are formulated. Apart from the ordinary characteristics, a new phenomenon, energy velocity funnel, is formed on the wave fronts of quasi-transverse waves in anisotropic piezoelectric materials. A three-dimensional representation of wave fronts in anisotropic piezoelectric materials is given for a better understanding of the new phenomena.

Keywords: 77.65.Dq 83.60.Uv

Published: 01 January 2004

PACS:	77.65.Dq	(Acoustoelectric effects and surface acoustic waves (SAW) in piezoelectrics)
	83.60.Uv	(Wave propagation, fracture, and crack healing)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I1/0194

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