T-Matrix Approach to Scattering of Elastic (SH-) Waves by an Inclined Surface Void

[+] Author and Article Information
S. J. Tsao, V. V. Varadan, V. K. Varadan

Wave Propagation Group, Department of Engineering Mechanics, The Ohio State University, Columbus, Ohio 43210

J. Appl. Mech 50(1), 143-148 (Mar 01, 1983) (6 pages) doi:10.1115/1.3166982 History: Received March 01, 1982; Revised July 01, 1982; Online July 21, 2009


This study is concerned with the T-matrix method to solve the scattering of SH-waves by an inclined surface-breaking void in a homogeneous elastic half space. Additional complications arising from the inclination of the surface cavity have been overcome by using suitable basis functions for the surface displacements in the T-matrix method and the method of images. Numerical results are presented for elliptical cavities for two different angles of inclination, two aspect ratios for various angles of incidence, observation, and frequency. The T-matrix results are compared with the results obtained from a hybrid finite-element wave-expansion method.

Copyright © 1983 by ASME
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