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La Recherchev2

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Approximation of compressible two phase flow in porous média combining mixed finite élément and finite volume methods


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Titre du congrès :SIAM Conference on Mathematical and Computational Issues in the Geosciences Ville du congrès :Santa Fe Date du congrès :19/03/2007

Résumé

We solve a System of coupled parabolic équation and nonlinear convection-diffusion équation. The MFE method is employed for the parabolic équation. A Godunov-type FV method is applied for the convective term and a conforming FE method with piecewise linear éléments is used for the dispersion term. The results of convergence as well as L°° and BV estimâtes are shown. Numerical simulations are given for a 2D problem related to nuclear waste repository.