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A Mimetic Finite-Difference Scheme for Convection of Multicomponent Fluid in a Porous Medium

Tsybulin, Vyacheslav
Nemtsev, Andrew
Karasözen, Bülent
A mimetic finite-difference scheme for the equations of three-dimensional convection of a multicomponent fluid in a porous medium is developed. The discretization is based on staggered grids with five types of nodes (velocities, pressure, temperature, and mass fractions) and on a special approximation of nonlinear terms. Computer experiments have revealed the continuous family of steady states in the case of the zero heat fluxes through two opposite lateral planes of parallelepiped.