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The generalized finite volume SUSHI scheme for the discretization of the peaceman model

Mohamed MandariMohamed RhoudafOuafa Soualhi — 2021

Applications of Mathematics

We demonstrate some a priori estimates of a scheme using stabilization and hybrid interfaces applying to partial differential equations describing miscible displacement in porous media. This system is made of two coupled equations: an anisotropic diffusion equation on the pressure and a convection-diffusion-dispersion equation on the concentration of invading fluid. The anisotropic diffusion operators in both equations require special care while discretizing by a finite volume method SUSHI. Later,...

T-p(x)-solutions for nonlinear elliptic equations with an L¹-dual datum

El Houssine AzroulAbdelkrim BarbaraMeryem El LekhlifiMohamed Rhoudaf — 2012

Applicationes Mathematicae

We establish the existence of a T-p(x)-solution for the p(x)-elliptic problem - d i v ( a ( x , u , u ) ) + g ( x , u ) = f - d i v F in Ω, where Ω is a bounded open domain of N , N ≥ 2 and a : Ω × × N N is a Carathéodory function satisfying the natural growth condition and the coercivity condition, but with only a weak monotonicity condition. The right hand side f lies in L¹(Ω) and F belongs to i = 1 N L p ' ( · ) ( Ω ) .

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