Study of SH-type wave propagating in an anisotropic layer sandwiched between an orthotropic medium and an in-homogeneous half-space

The present paper investigates the effect of initial stress and the existence of SH-type wave in an initially stressed porous stratum sandwiched between an initially stressed orthotropic medium and an in-homogeneous half-space. Exponential variations of rigidity and density have been taken in the lower half-space. The dispersion equation has been derived in closed form. It is observed that the propagation of SH type wave is influenced by the medium characteristics such as porosity, initial stress, anisotropy and in-homogeneity parameter.