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A new formulation has been established for mathematical anlaysis of wave propagation at the interface of two distinct orthotropic piezothermoelastic media of the well known generalized theory of thermoelasticity presented by Lord-Shulman (1967) has been taken into account. The governing equations are considered in plane and their solution give rise to various type of reflected and transmitted waves. It is explored that there exist five plane quasi waves in the considered model. The expressions for amplitude ratios of different reflected and transmitted waves are acquired in transformed domain at the interface of two distinct media by employing suitable boundary restrictions. These ratios are functions of frequency, wave velocities and physical properties of two media. Corresponding to different values of angle of incidence, the amplitude ratios are computed numerically and shown with the aid of graphs.
Kaur et al. (Sat,) studied this question.