Modeling of Seismic Wave Propagation in Poroelastic Clay Shale with Admixture

This paper is devoted to modeling the propagation of seismic waves in a chemically inert elastically deformable rock. Only changes in stress and pore pressure are considered, and the chemistry of the saturating pore fluid does not directly affect the deformation of the rock. Chemical effects are taken into account by changing pore pressure and rock deformation in the transport equations. In the numerical solution of the problem under consideration, an algorithm is used to combine a Laguerre integral transform method and a finite difference method. The results of modeling the transport of a dissolved substance through a semi-permeable clay shale are presented.

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