Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.69
Fulltext available Open Access
Publisher DOI: 10.1016/j.jcp.2006.06.015
Title: Well-balanced finite volume evolution Galerkin methods for the shallow water equations
Language: English
Authors: Medviďová-Lukáčová, Mária 
Kraft, Marcus 
Noelle, Sebastian 
Keywords: well-balanced schemes; steady states; systems of hyperbolic balance laws
Issue Date: May-2005
Source: Preprint. Published in: Journal of Computational PhysicsVolume 221, Issue 1, 20 January 2007, Pages 122-147
Abstract (english): 
We present a new well-balanced finite volume method within the framework of the finite volume evolution Galerkin (FVEG) schemes. The methodology will be illustrated for the shallow water equations with source terms modelling the bottom topography and Coriolis forces. Results can be generalized to more complex systems of balance laws. The FVEG methods couple a finite volume formulation with approximate evolution operators. The latter are constructed using the bicharacteristics of the multidimensional hyperbolic systems, such that all of the infinitely many directions of wave propagation are taken into account explicitly. We derive a well-balanced approximation of the integral equations and prove that the FVEG scheme is well-balanced for the stationary steady states as well as for the steady jets in the rotational frame. Several numerical experiments for stationary and quasi-stationary states as well as for steady jets confirm the reliability of the well-balanced FVEG scheme.
URI: http://tubdok.tub.tuhh.de/handle/11420/71
DOI: 10.15480/882.69
Institute: Mathematik E-10 
Document Type: Preprint
License: In Copyright In Copyright
Part of Series: Preprints des Institutes für Mathematik 
Volume number: 88
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