Engineering Mechanics

International Conference

Proceedings Vol. 15 (2009)


May 11 – 14, 2009, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2009 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 978-80-86246-35-2 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Numerical solution of compressible flow problems using the finite volume flux-vector splitting schemes on unstructured meshes
O. Bublík, J. Vimmr, A. Jonášová
pages 147 - 158, full text

This paper is focused on the numerical solution of the nonlinear system of the Euler equations, which describe the transonic flow of an inviscid fluid. The computation was performed using the finite volume method defined for unstructured grids. Three explicit flux-vector splitting schemes (Steger-Warming, van Leer, AUSM) are discussed. In order to improve their space accuracy, a linear reconstruction with the Barth’s limiter, which was specially proposed for unstructured grids, is applied. All schemes mentioned here are compared with each other for a selected test case of transonic flow around the NACA 0012 airfoil. Further, this paper describes an algorithm of mesh adaptation for a better capturing of shock waves.

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All papers were reviewed by members of the scientific committee.

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