Abstract
The present study deals with the investigation of Love-type wave propagation in functionally graded orthotropic material layer (FGOM) bonded imperfectly over micropolar (MP) elastic substrate. The dispersion relations are obtained analytically in compact form by employing appropriate boundary conditions for the layer and substrate. Dispersion curves are plotted to illustrate the influence of imperfectness of interface, microstructure of the substrate, thickness as well as heterogeneity involved in FGOM layer on the phase velocity of Love-type wave. Moreover, the FGOM layer is considered under an initially stressed state to extend the applicability of the obtained results in geophysical engineering. Relevant particular cases are also obtained to validate the present study.
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