Nonlocal theory on plane waves in higher order thermo-porous functionally graded semiconductor

The current study deals with reflected waves through a porous medium with viscoelastic properties. The considered continuum media is a semiconductor with elastic and thermal properties which varies exponentially along the depth of the medium. The thermal disturbance caused by elastic propagation is then encountered by the refined phase-lag heat conduction model. The scattering relation for the coupled waves has been computed. It is observed that the functionally graded, voids and non-local parameters reduce the amplitude ratios of reflected waves propagating through the medium. The solution in the form of amplitude ratios for reflected waves has been obtained analytically and represented graphically for a particular medium.