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Numerical dissipation switch for two-dimensional central-upwind schemes

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (3)

We propose a numerical dissipation switch, which helps to control the amount of numerical dissipation present in central-upwind schemes. Our main goal......

A type of full multigrid method for non-selfadjoint Steklov eigenvalue problems in inverse scattering

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (5)

In this paper, a type of full multigrid method is proposed to solve non-selfadjoint Steklov eigenvalue problems. Multigrid iterations for correspondin......

An efficient variable step-size method for options pricing under jump-diffusion models with nonsmooth payoff function

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (3)

We develop an implicit-explicit midpoint formula with variable spatial step-sizes and variable time step to solve parabolic partial integro-differenti......

On the multi-species Boltzmann equation with uncertainty and its stochastic Galerkin approximation*

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (4)

In this paper the nonlinear multi-species Boltzmann equation with random uncertainty coming from the initial data and collision kernel is studied. Wel......

Analysis of a backward Euler-type scheme for Maxwell's equations in a Havriliak-Negami dispersive medium

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (2)

For the Maxwell's equations in a Havriliak-Negami (H-N) dispersive medium, the associated energy dissipation law has not been settled at both continuo......

Central discontinuous Galerkin methods on overlapping meshes for wave equations

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (1)

In this paper, we study the central discontinuous Galerkin (DG) method on overlapping meshes for second order wave equations. We consider the first or......

Phase-field dynamics with transfer of materials: The Cahn-Hillard equation with reaction rate dependent dynamic boundary conditions

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (1)

The Cahn-Hilliard equation is one of the most common models to describe phase separation processes of a mixture of two materials. For a better descrip......

Eigenfunction behavior and adaptive finite element approximations of nonlinear eigenvalue problems in quantum physics

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (1)

In this paper, we investigate a class of nonlinear eigenvalue problems resulting from quantum physics. We first prove that for any open set G, there e......

Well-posedness and numerical approximation of a fractional diffusion equation with a nonlinear variable order

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 (1)

We prove well-posedness and regularity of solutions to a fractional diffusion porous media equation with a variable fractional order that may depend o......

On the locking-free three-field virtual element methods for Biot's consolidation model in poroelasticity

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 ()

We propose and analyze two locking-free three-field virtual element methods for Biot's consolidation model in poroelasticity. One is a high-order sche......

A local discontinuous Galerkin method for nonlinear parabolic SPDEs

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 ()

In this paper, we propose a local discontinuous Galerkin (LDG) method for nonlinear and possibly degenerate parabolic stochastic partial differential ......

A convergent convex splitting scheme for a nonlocal Cahn-Hilliard-Oono type equation with a transport term

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 ()

We devise a first-order in time convex splitting scheme for a nonlocal Cahn-Hilliard-Oono type equation with a transport term and subject to homogeneo......

Convergence rate estimates for the low Mach and Alfven number three-scale singular limit of compressible ideal magnetohydrodynamics

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 ()

Convergence rate estimates are obtained for singular limits of the compressible ideal magnetohydrodynamics equations, in which the Mach and Alfven num......

Error analysis of a fully discrete finite element method for variable density incompressible flows in two dimensions

期刊: ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2021; 55 ()

An error estimate is presented for a fully discrete, linearized and stabilized finite element method for solving the coupled system of nonlinear hyper......

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