Abstract
In this paper, we first develop a generalization of Roe’s Riemann solver to the case of a frozen mixture of perfect gases which equation of state contains vibrational terms. We assume that each species are at thermal equilibrium with the others. We then show how to obtain a class of Roe average in the thermal and chemistry equilibrium limits.
These Riemann solvers are tested on a two dimensional test case. The scheme is semi implicit for the source terms because of stiffness. The results show the capacity of these methods.
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© 1990 Springer Fachmedien Wiesbaden
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Abgrall, R. (1990). Extension of Roe’s approximate Riemann solver to equilibrium and nonequilibrium flows. In: Wesseling, P. (eds) Proceedings of the Eighth GAMM-Conference on Numerical Methods in Fluid Mechanics. Notes on Numerical Fluid Mechanics (NNFM), vol 29. Vieweg+Teubner Verlag, Wiesbaden. https://doi.org/10.1007/978-3-663-13975-1_1
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DOI: https://doi.org/10.1007/978-3-663-13975-1_1
Publisher Name: Vieweg+Teubner Verlag, Wiesbaden
Print ISBN: 978-3-528-07629-0
Online ISBN: 978-3-663-13975-1
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