Abstract
The present paper is concerned with the propagation of shear waves in a heterogeneous isotropic layer lying over a semi-infinite homogeneous isotropic half-space due to a point source. The dispersion equation of shear waves has been established with the help of Green's function technique and Fourier transform. The deduced dispersion equation for this study agrees well with the classical Love wave equation in the absence of heterogeneity. Significant effect of heterogeneity on the phase velocity of shear wave has been observed. The dimensionless phase velocity against dimensionless wave number has been plotted and the influence of heterogeneity parameter is also revealed graphically through numerical computation.
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