Scattering of elastic waves by a star shaped inclusion

被引：1
|
作者：
Shindo, Yasuhide [1 ]
Narita, Fumio [1 ]
Nakamura, Tasuku [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan
来源：
ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK | 2008年 / 88卷 / 03期
关键词：
elasticity; boundary element method; inclusions; wave scattering; scattering cross section;
D O I：
10.1002/zamm.200700088
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
This paper is concerned with the scattering of in-plane compressional (P) and shear (SV) waves by boomerang, three-, four-, five-, and six-pointed star shaped inclusions using a boundary element method. Special case when the shape of the four-pointed star becomes square is also considered. Numerical examples are given for some star shapes of the inclusion, and the scattering cross sections are plotted as a function of frequency. The response simplifies for the limited cases of a hole and a rigid inclusion, but with quite different behavior for each. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：191 / 198
页数：8
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