Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation - Inria - Institut national de recherche en sciences et technologies du numérique
Article Dans Une Revue ESAIM: Mathematical Modelling and Numerical Analysis Année : 2013

Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation

Résumé

We consider here the Interior Penalty Discontinuous Galerkin (IPDG) discretization of the wave equation. We show how to derive the optimal penalization parameter involved in this method in the case of regular meshes. Moreover, we provide necessary stability conditions of the global scheme when IPDG is coupled with the classical Leap-Frog scheme for the time discretization. Numerical experiments illustrate the fact that these conditions are also sufficient.
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Dates et versions

hal-00759457 , version 1 (21-11-2014)

Identifiants

Citer

Cyril Agut, Julien Diaz. Stability analysis of the Interior Penalty Discontinuous Galerkin method for the wave equation. ESAIM: Mathematical Modelling and Numerical Analysis, 2013, 47 (3), pp.903-932. ⟨10.1051/m2an/2012061⟩. ⟨hal-00759457⟩
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