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Dive into the research topics where Zoubida Mghazli is active.

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Featured researches published by Zoubida Mghazli.


Numerische Mathematik | 2003

Estimations a posteriori d'un schéma de volumes finis pour un problème non linéaire

Amal Bergam; Zoubida Mghazli; Rüdiger Verfürth

Summary.RésuméDans cet article, nous développons des estimations a posteriori de l’erreur commise en approchant un problème elliptique non linéaire, par une Méthode de Volumes Finis (MVF) de type ‚‚Vertex-Centered’’. Les estimateurs obtenus mesurent, le résidu de l’équation forte et l’irrégularité de la solution discrète, qui se traduit par des sauts à travers les inter-élélments. Une condition sur la fonction flux numérique sera imposée pour traiter la non conformité du problème, au cours de l’évaluation de l’estimation. Summary.We derive a posteriori error estimates for vertex-centered finite volume discretizations of a class of non-linear elliptic pdes. The error estimates are of residual type and incorporate residuals of the pde in its strong form on the control volumes and jumps of the pde’s prinicipal part across the element boundaries. The non-conformity of the discretization is taken into account by a condition on the numerical flux function.


Numerical Algorithms | 2003

Error Indicators for the Mortar Finite Element Discretization of a Parabolic Problem

Amal Bergam; Christine Bernardi; Frédéric Hecht; Zoubida Mghazli

In this paper we study residual spatial error indicators for a parabolic equation already discretized with respect to the time variable and approximated with the mortar finite element method. A posteriori error estimates are given at each step of time and are based on a local residual, the jumps of the normal derivative through the interfaces between elements and the jumps of the discrete solution through the mortars.


Mathematics of Computation | 2004

A posteriori analysis of the finite element discretization of some parabolic equations

Amal Bergam; Christine Bernardi; Zoubida Mghazli


Mathematical Modelling and Numerical Analysis | 2008

Mortar finite element discretization of a model coupling Darcy and Stokes equations

Christine Bernardi; Tomás Chacón Rebollo; Frédéric Hecht; Zoubida Mghazli


Computer Methods in Applied Mechanics and Engineering | 2007

Mortar finite element discretization for the flow in a nonhomogeneous porous medium

Christine Bernardi; Frédéric Hecht; Zoubida Mghazli


Ima Journal of Numerical Analysis | 2014

A posteriori analysis of a space and time discretization of a nonlinear model for the flow in partially saturated porous media

Christine Bernardi; Linda El Alaoui; Zoubida Mghazli


Computer Methods in Applied Mechanics and Engineering | 2015

An adaptive sparse grid method for elliptic PDEs with stochastic coefficients

Jocelyne Erhel; Zoubida Mghazli; Mestapha Oumouni


European scientific journal | 2015

ETUDE EXPERIMENTALE ET MODELISATION NUMÉRIQUE DES TRANSFERTS HYDRIQUES ET DE SOLUTE DANS UN MILIEU POREUX NON SATURE-SATURE

Hassan Lemacha; Abdellatif Maslouhi; Moumtaz Razack; Zoubida Mghazli; Frédéric Hecht


Archive | 2014

Numerical analysis of stochastic advection-diffusion equation via Karhunen-Loéve expansion

Jocelyne Erhel; Zoubida Mghazli; Mestapha Oumouni


Congrès SMAI 2013 | 2013

Méthode de Monte Carlo et des grilles clairsemées anisotropes pour la modélisation du transport de soluté dans un milieu aléatoire

Mestapha Oumouni; Jocelyne Erhel; Zoubida Mghazli

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