Scattering of elastic waves by a diamond shaped inclusion with cracks

被引：0
|
作者：
Shindo, Yasuhide [1 ]
Nakamura, Tasuku [1 ]
Narita, Fumio [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan
来源：
ACTA MECHANICA | 2008年 / 200卷 / 3-4期
关键词：
Stress Intensity Factor; Elastic Wave; Boundary Element Method; Orientation Angle; Scatter Cross Section;
D O I：
10.1007/s00707-008-0011-0
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper studies the scattering of in-plane compressional and shear waves by a diamond shaped inclusion with cracks using the boundary element method. The special case that the shape of the diamond becomes square is also considered. Numerical calculations are carried out for the limited cases of diamond shaped hole and rigid inclusions, and the effects of frequency and inclusion shape on the scattering cross section and dynamic stress intensity factor are shown in graphical form. The results where the elastic properties of the inclusion are the same as those of the matrix are also discussed.
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页码：239 / 246
页数：8
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