Reflection Of Seismic Waves
Seismic waves areenergy waves that travel through the Earth 's layers, and are a result of an earthquake, explosion, or a volcano that gives out low-frequency acoustic energy.
Earthquakes create distinct types of waves with different velocities. In geophysics the refraction or reflection of seismic waves is used for research into the structure of the Earth 's interior. Seismic waves are further divided into surface waves and body waves. Body waves travel through the interior of the Earth and surface waves travel across the surface. Body waves create ray paths refracted by the varying density and modulus (stiffness) of the Earth 's interior. The density and modulus, in turn, vary according to temperature, composition, and phase. Primary waves
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Problems related to reflection of plane waves under the effects of initial stress, magnetic field and voids in homogenous and isotropic free surface have applications in many fields like
Geophysics, Geology, Optics, Earthquake engineering and geography. Abd-Alla and AlDawy
[1] investigated the reflection phenomena of SV Waves in a generalized thermo elastic medium. Ibrahim et al. [2] discussed the effects of voids and rotation on P wave in a thermoelastic half-space under Green-Naghdi theory. Nunziato and Cowin [3] proposed a nonlinear theory of elastic materials with voids. Biot [4] studied the effects of initial stress on propagation of elastic waves. Chakraborty [5] investigated the reflection of plane elastic waves at a free surface under initial stress and temperature field. Puri and Cowin [6] proposed Plane waves in linear elastic materials with voids. Shekhar and Pervaiz [7] studied the effects of Rotation, Magnetic field and initial stresses on propagation of Plane waves in transversely isotropic dissipative half space. Cowin and Nunziato [8] discussed the problem of linear elastic materials with voids. Dey and Addy [9] investigated the reflection of
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