Analysis of Radial vibrations in a two layered poroelastic hollow cylinder loaded and surrounded by inviscid fluids is presented. A poroelastic composite hollow cylinder consists of two concentric cylindrical shells with each one made with different poroelastic materials. The poroelastic materials are assumed as homogeneous and isotropic, whereas the inner and outer fluids are homogeneous, isotropic and inviscid. The frequency equation of Radial vibrations of two layered poroelastic cylindrical shell is derived. The effect of inviscid fluid on Radial vibrations is observed. The frequency equation of fluid-loaded poroelastic composite cylinder surrounded by a fluid is obtained along with several particular cases, namely, fluid-loaded poroelastic composite cylinder, fluid-loaded composite bore, poroelastic composite cylinder surrounded by fluid. Non-dimensional frequency is computed as a function of ratio of thickness to inner radius of core cylinder then discussed. The results are presented graphically for two types of poroelastic composite cylinders and then discussed.
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