2003 | OriginalPaper | Buchkapitel
Shallow Water Wave Modelling Using a High-Order Discontinuous Galerkin Method
verfasst von : Claes Eskilsson, Spencer J. Sherwin, Lars Bergdahl
Erschienen in: Mathematical and Numerical Aspects of Wave Propagation WAVES 2003
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We present a high-order discontinuous Galerkin model for solving the two-dimensional shallow water equations on unstructured triangular meshes. The model uses orthogonal Dubiner expansion basis of arbitrary polynomial order in space and a third-order Runge-Kutta scheme in time. Using numerical computations of a standing wave we illustrate that the model exhibits exponential convergence for smooth problems. Finally, an example of computation of harbour resonance is presented.