Analysis of an SDG method for the incompressible Navier-stokes equations

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Detail(s)

Original languageEnglish
Pages (from-to)543-569
Journal / PublicationSIAM Journal on Numerical Analysis
Volume55
Issue number2
Online published7 Mar 2017
Publication statusPublished - 2017

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Abstract

In this paper, we analyze a staggered discontinuous Galerkin (SDG) method for the incompressible Navier-Stokes equations. The method is based on a novel splitting of the nonlinear convection term and results in a skew-symmetric discretization of it. As a result, the SDG discretization has a better conservation property and numerical stability property. The aim of this paper is to develop a mathematical theory for this method. In particular, we will show that the SDG method is well-posed and has an optimal rate of convergence. A superconvergence result will also be shown.

Research Area(s)

  • Navier-Stokes equations, SDG

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