11 research outputs found

    Propagation of Rayleigh waves in non-homogeneous orthotropic elastic media under the effect of magnetic field

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    The influence of magnetic field on the propagation of Rayleigh waves in an inhomogeneous, orthotropic elastic solid medium has been discussed. The method of separation of variable is used to find the frequency equation of the surface waves. The obtained dispersion equations are in agreement with the classical results when magnetic field and non-homogeneity are neglected   Keywords: Inhomogeneity, Orthotropic elastic solid,   field, Magnetic field

    S-wave propagating in an anisotropic inhomogeneous elastic medium under the influence of gravity, initial stress, electric and magnetic field

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    The purpose of this paper is to study the effect of gravity, initial stress, non-homogeneity, electric and magnetic field on the propagation of shear waves in an anisotropic incompressible medium. Various graphs are plotted to show the effect of direction of propagation, the anisotropy, magnetic field, electric field, non-homogeneity of the medium and the initial stress on shear waves. The dispersion equations for shear waves are obtained and discussed for different cases. In fact, in the absence of various material parameters, these equations are in agreement with the classical results for isotropic medium

    MODELLING OF SH-WAVES IN A FIBER-REINFORCED ANISOTROPIC LAYER OVER A PRE-STRESSED HETEROGENEOUS HALF-SPACE

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    Modelling of SH-waves in an anisotropic fiber-reinforced layer provides a great deal of sup-port in the understanding of seismic wave propagation. This paper deals with the propa-gation of SH-waves in a fiber-reinforced anisotropic layer over a pre-stressed heterogeneous half-space. The heterogeneity of the elastic half-space is caused by linear variations of density and rigidity. As a special case when both media are homogeneous and stress free, the derived equation is in agreement with the general equation of the Love wave. Numerically, it is ob-served that the velocity of SH-waves decreases with an increase in heterogeneity-reinforced parameters and decrease in initial stress
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