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  4. Finite volume schemes for multi-dimensional hyperbolic systems based on the use of bicharacteristics
 
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Finite volume schemes for multi-dimensional hyperbolic systems based on the use of bicharacteristics

Citation Link: https://doi.org/10.15480/882.118
Publikationstyp
Preprint
Date Issued
2004-09
Sprache
English
Author(s)
Medviďová-Lukáčová, Mária  
Saibertova, Jitka  
Institut
Mathematik E-10  
TORE-DOI
10.15480/882.118
TORE-URI
http://tubdok.tub.tuhh.de/handle/11420/120
First published in
Preprints des Institutes für Mathematik  
Preprints des Institutes für Mathematik;Bericht 79
Number in series
79
Publisher DOI
10.1007/s10492-006-0012-z
Scopus ID
2-s2.0-84867963045
In this paper we present recent results for the bicharacteristic based finite volume schemes, the so-called finite volume evolution Galerkin (FVEG) schemes. These methods were proposed to solve multi-dimensional hyperbolic conservation laws. They combine the usually conflicting design objectives of using the conservation form and following the characteristics, or bicharacteristics. This is realized by combining the finite volume formulation with approximate evolution operators, which use bicharacteristics of multi-dimensional hyperbolic system. In this way all of the infinitely many directions of wave propagation are taken into account. The main goal of this paper is to present a self contained overview on the recent results. We study the L1-stability of the finite volume schemes obtained by different approximations of the flux integrals. Several numerical experiments presented in the last section confirm robustness and correct multi-dimensional behaviour of the FVEG methods.
Subjects
multidimensional finite volume methods
bicharacteristics
hyperbolic systems
wave equation
Euler equations
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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