Numerical description of the edge mode at the beveled extremity of a plate

被引：11
|
作者：
Wilkie-Chancellier, N [1 ]
Duflo, H [1 ]
Tinel, A [1 ]
Duclos, J [1 ]
机构：
[1] Univ Havre, Acoust Ultrasonore & Elect Lab, CNRS, IUT,LAUE,UMR 6068, F-76610 Le Havre, France
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2005年 / 117卷 / 01期
关键词：
D O I：
10.1121/1.1828675
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper deals with the reflection of a two-dimensional harmonic Lamb wave at the beveled end of a plate. The existence of a resonant edge mode is described by a numerical model. It is proved that the edge mode is the resonance of different complex modes. The behavior of this mode as a function of the bevel angle is studied. Its amplitude decreases and its resonance frequency shifts as the bevel angle decreases from 90 to 85 deg. An unexpected strong variation of the repartition of the reflected energy is linked to this phenomenon. (C) 2005 Acoustical Society of America.
引用
收藏
页码：194 / 199
页数：6
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