Poro-Inelastic Filtration coupled to Stokes Flow

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• Ralph Showalter (Oregon State University)
• Thursday 09 June 2016, 16:15-17:00
• Seminar Room 1, Newton Institute.

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Models of flow of fluid through saturated inelastic porous media are described. The initial-boundary-value problem consists of a nonlinear diffusion equation for the fluid coupled to the momentum equation for the porous solid together with a constitutive law which includes a possibly hysteretic relation of elasto-visco-plastic type. Existence and uniqueness of a global strong solution follows from monotonicity methods. Various degenerate situations are permitted, such as incompressible fluid, negligible porosity, or a quasi-static momentum equation. The essential sufficient conditions for the well-posedness of the system consist of an ellipticity condition on the term for diffusion of fluid and either a viscous or a hardening assumption in the constitutive relation for the porous solid.

Related Links

• http://www.math.oregonstate.edu/people/view/show – homepage of R Showalter 

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