Transient Response of a Fluid-Filled, Thick-Walled Spherical Shell Embedded in an Elastic Medium

Transient Response of a Fluid-Filled, Thick-Walled Spherical Shell Embedded in an Elastic Medium

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The paper addresses the problem of transient elastodynamics analysis of a thick-walled, fluid-filled spherical shell embedded in an elastic medium with an analytical approach.This snow babe miniature peach configuration is investigated at first step for a full-space case.Different constitutive relations for the elastic medium, shell material and filling fluid can be considered, as well as different excitation sources (including S/P wave or plane/spherical incident wave at different locations).

With mapmaking visualisation, the wave propagation phenomena can be described and better understood.The methodology is going to be applied to analysis of the tunnels or other shell like structures under the effect freetress deep twist 14 inch of nearby underground explosion.