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https://doi.org/10.15480/882.117

Publisher DOI: | 10.1016/j.apnum.2006.09.011 | Title: | Finite volume evolution Galerkin (FVEG) methods for three-dimensional wave equation system | Language: | English | Authors: | Medviďová-Lukáčová, Mária Warnecke, Gerald Zahaykah, Yousef |
Keywords: | Hyperbolic systems; wave equation; evolution Galerkin schemes; recovery stage; finite volume | Issue Date: | Sep-2004 | Source: | Preprint. Published in: Applied Numerical MathematicsVolume 57, Issue 9, September 2007, Pages 1050-1064 | Abstract (english): | The subject of the paper is the derivation of finite volume evolution Galerkin schemes for three-dimensional wave equation system. The aim is to construct methods which take into account all of the infinitely many directions of propagation of bicharacteristics. The idea is to evolve the initial function using the characteristic cone and then to project onto a finite element space. Numerical experiments are presented to demonstrate the accuracy and the multidimensional behaviour of the solutions. Moreover, we construct further new EG schemes by neglecting the so-called source term, i.e. we mimic Kirchhoff's formula. The numerical test shows that such schemes are more accurate and some of them are of second order. |
URI: | http://tubdok.tub.tuhh.de/handle/11420/119 | DOI: | 10.15480/882.117 | Institute: | Mathematik E-10 | Document Type: | Preprint | License: | ![]() |
Part of Series: | Preprints des Institutes für Mathematik | Volume number: | 80 |
Appears in Collections: | Publications with fulltext |
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