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2 Acta Geophysica Polonica

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Reflection/transmission of plane SH wave through a self-reinforced elastic layer between two half-spaces

Chaudhary S., Kaushik V., Tomar S.

Acta Geophysica Polonica

2004

Vol. 52, nr 2

219-235

The reflection and transmission of plane SH wave through a self-rein-forced elastic layer sandwiched between two homogeneous viscoelastic solid half-spaces has been studied. The expressions for reflection and transmission coefficients are obtained. These coefficients are computed against the angle of incidence, normalized wave number and the reinforced parameters. The results obtained have been presented graphically. The problem studied by Borcherdt has been reduced as a special case of our problem. It is found that reflection and transmission coefficients depend on the angle of incidence, normalized wave number and the reinforcement parameters of the sandwiched layer.

Reflection/refraction of SH waves at a corrugated interface between transversely isotropic and visco-elastic solid half-spaces

Tomar S., Kumar R., Chopra A.

Acta Geophysica Polonica

2002

Vol. 50, nr 2

231-249

The problem of reflection and transmission of SH waves at a corrugated interface between transversely isotropic half-space and visco-elastic half-space is investigated. Rayleigh's method is adopted and expressions of reflection and transmission coefficients are obtained in closed form for the first order approximation of the corrugation. It is found that these coefficients depend on corrugation of the interface and are affected by the elastic properties of the media. Numerical computations have been performed and the results obtained are presented graphically. Some earlier results, including those of Tomar and Saini (1997) and Asano (1960), have been obtained as particular cases of the problem.