This paper examines the problem of fluid pressure development in a fluid-filled spherical cavity located in an extended fluid-saturated poroelastic medium susceptible to damage. The evolution of damage introduces alterations in both the hydraulic conductivity and skeletal elasticity properties of the poroelastic solid. The paper examines the fluid-filled spherical cavity problem with a view to establishing the influence of the stress state-dependent damage on the amplification and decay of the fluid pressure in the spherical cavity. Sufficient computational results are available to aid the development of certain generalized conclusions relating to the influence of damage on the behaviour of encapsulated fluid domains.
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