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Propagation of plane waves in a rotating thermo-elastic solid with voids has been studied. The theory for thermo-elastic materials with voids developed by Iesan in the context of thermo- elastic theory of Lord and Shulman has been employed for mathematical treatment. It has been found that there exist one transverse wave and three sets of coupled longitudinal waves. Each set of coupled longitudinal waves is found to be influenced by the rotation, presence of voids and thermal property of the solid, whereas the transverse wave is found to be influenced only by the rotation of the body and remains un-affected by the presence of voids and thermal parameters. Numerical treatment is given to seek these effects on phase speeds of the existed waves.

Plane waves in a rotating generalized thermo-elastic solid with voids