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International Journal of Mathematics and Mathematical Sciences
Volume 26 (2001), Issue 11, Pages 685-694
http://dx.doi.org/10.1155/S0161171201005415

Reflection and transmission of elastic waves at viscous liquid/micropolar elastic solid interface

1Department of Mathematics, Kurukshetra University, Kurukshetra, Haryana 136 119, India
2Mathematics Department, Panjab University, Chandigarh 160 014, India

Received 16 March 1999

Copyright © 2001 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Amplitude ratios of various reflected and transmitted elastic waves from a plane interface separating a viscous liquid half-space and a micropolar elastic solid half-space, are obtained in two cases (i) when longitudinal wave propagating through the solid half-space is made incident at the interface and (ii) when “coupled-wave” propagating through the solid half-space is made incident at the interface. These amplitude ratios have been computed numerically for a specific model and results obtained are presented graphically. It is found that these amplitude ratios depend on the angle of incidence of the incident wave and the effect of viscosity of the liquid on amplitude ratios is noticed. The problem studied by Tomar and Kumar (1995) has been reduced as a special case of our problem.