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Effects of irregularity and anisotropy on the propagation of shear waves

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Author(s): A. Chattopadhyay | S. Gupta | V. K. Sharma | Pato Kumari

Journal: International Journal of Engineering, Science and Technology
ISSN 2141-2820

Volume: 2;
Issue: 1;
Start page: 116;
Date: 2010;
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Keywords: Shear waves | intermediate monoclinic layer | irregular boundary | perturbation technique

ABSTRACT
The propagation of shear waves differs between geo-media due to layer’s structure and irregularity present in different layers. This paper studies the propagation of shear waves in a monoclinic layer with irregularity lying between two isotropic semi-infinite elastic medium. The displacement in the monoclinic layer is obtained by using perturbation technique. Then the dispersion relation is found in the assumed medium and is verified with the standard known results. Finally, effects of wave number and irregularity are studied numerically and the graphs are plotted for all cases. The dispersion curves for different size of irregularity are calculated and compared.
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