Finite volume scheme and renormalized solutions for nonlinear elliptic Neumann problem with L1 data

05/23/2022

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by   Mirella Aoun, et al.

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In this paper we study the convergence of a finite volume approximation of a convective diffusive elliptic problem with Neumann boundary conditions and L 1 data. To deal with the non-coercive character of the equation and the low regularity of the right hand-side we mix the finite volume tools and the renormalized techniques. To handle the Neumann boundary conditions we choose solutions having a null median and we prove a convergence result.