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DISPERSION OF ELASTIC WAVES IN AN ASYMMETRIC THREE-LAYERED STRUCTURE IN THE PRESENCE OF MAGNETIC AND ROTATIONAL EFFECTS

By R. I. Nuruddeen, R. Nawaz, and Q. M. Z. Zia

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Abstract:
The present paper investigates the propagation and dispersion of elastic surface waves in an asymmetric inhomogeneous isotropic three-layered plate in the presence of magnetic field and rotational effects. The skin layers are exposed to an external magnetic field force while the core layer is assumed to be in a rotational frame of reference, which are perfectly bounded together with free-ends conditions. The resultant displacements and shear stresses in the respective layers are derived analytically together with the general dispersion relation. Further, the general dispersion relation is analyzed for some physical cases of interest. Finally, the effects of the magnetic field, rotation and electric field on the propagation and dispersion of the present model are presented graphically.

Citation:
R. I. Nuruddeen, R. Nawaz, and Q. M. Z. Zia, "Dispersion of Elastic Waves in an Asymmetric Three-Layered Structure in the Presence of Magnetic and Rotational Effects," Progress In Electromagnetics Research M, Vol. 91, 165-177, 2020.
doi:10.2528/PIERM20012504

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