The effect of diffusion on propagation and reflection of waves in a thermo-microstretch solid half-space. (English) Zbl 1503.74062
The authors study the propagation of waves in a thermo-microstretch solid half-space in the presence of diffusion. The governing equations for homogeneous, isotropic, linear thermo-microstretch solid and diffusion in the absence of body forces, body couple, heat, and mass diffusive sources are written as six equations using Lord-Shulman theory of generalized thermoelasticity. These equations are then expressed in terms of Helmholtz potentials. For the reflection from the free surface of the half-space, it is found that six plane waves are produced. The effects of the frequency and diffusion coefficients are studied. The energy ratios of the reflected waves are computed against the angle of incidence for different diffusivities. A numerically computed graphical representation is also presented.
Reviewer: Fiazud Din Zaman (Lahore)
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