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Keywords:
discontinuous Galerkin finite element method; numerical flux; conservation laws; convection-diffusion problems; limiting of order of accuracy; numerical solution of compressible Euler equations
discontinuous Galerkin finite element method; numerical flux; conservation laws; convection-diffusion problems; limiting of order of accuracy; numerical solution of compressible Euler equations
Summary:
The paper is concerned with the discontinuous Galerkin finite element method for the numerical solution of nonlinear conservation laws and nonlinear convection-diffusion problems with emphasis on applications to the simulation of compressible flows. We discuss two versions of this method: (a) Finite volume discontinuous Galerkin method, which is a generalization of the combined finite volume—finite element method. Its advantage is the use of only one mesh (in contrast to the combined finite volume—finite element schemes). However, it is of the first order only. (b) Pure discontinuous Galerkin finite element method of higher order combined with a technique avoiding spurious oscillations in the vicinity of shock waves.
References:
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