On the polarity of laser-generated Rayleigh waves

被引:1
|
作者
Mourad, A [1 ]
Desmet, C [1 ]
Thoen, J [1 ]
机构
[1] KATHOLIEKE UNIV LEUVEN,DEPT NAT KUNDE,LAB AKOESTIEK THERM FYS,B-3001 LOUVAIN,BELGIUM
关键词
laser ultrasonics; Rayleigh waves; thermoelastic ultrasonic source; ultrasonic surface waves;
D O I
10.1016/S0041-624X(97)00018-8
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
We propose an exact formulation for the near, intermediate and far field of a finite length, thermoelastic, pulsed laser generated acoustic line source. Separating the analytic terms corresponding to the edge effects, we analyse the polarity of the Rayleigh wave. The generalization of this formulation to plane sources presents an alternative to the classical Rayleigh integral method. (C) 1997 Elsevier Science B.V.
引用
收藏
页码:393 / 397
页数:5
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