SCATTERING OF SH-WAVE BY A CIRCULAR HOLE IN INHOMOGENEOUS MEDIUM

被引：1
|
作者：
Bian, Jin-lai [1 ]
Jiang, Guan-xi-xi [1 ]
Sun, Cheng [1 ]
Yang, Yong [1 ,2 ]
Yang, Zai-lin [1 ,2 ]
机构：
[1] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin 150001, Peoples R China
[2] Harbin Engn Univ, Key Lab Adv Mat Ship & Mech, Minist Ind & Informat Technol, Harbin 150001, Peoples R China
来源：
PROCEEDINGS OF THE 2019 14TH SYMPOSIUM ON PIEZOELECTRCITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA19) | 2019年
基金：
中国国家自然科学基金;
关键词：
Inhomogeneous medium; complex function theory; Conformal mapping; Dynamic stress concentration factor; CAVITY;
D O I：
10.1109/spawda48812.2019.9019234
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Based on complex function theory and conformal transformation method, the problem of circular hole scattering in infinite inhomogeneous medium is solved, the heterogeneity of the medium is reflected in the fact that the shear modulus is variable and the density is constant,Under the condition of time-harmonic, The complex governing equation can be simplified to Helmholtz equation with variable coefficients by introducing a displacement transformation expression, Then the Helmholtz equation with variable coefficients is standardized by conformal transformation method,and the stress and displacement field around the circular hole are obtained in the complex coordinate system.
引用
收藏
页码：33 / 36
页数：4
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