Summary
In the present paper we derive fluid dynamic equations by performing asymptotic analysis for the generalized Boltzmann equation for polyatomic gases. In particular, we consider the steady state, one-dimensional Boltzmann equation with one additional internal energy and different relaxation times. Moreover, we present a new approach to define coupling procedures for the Boltzmann equation and Navier-Stokes equations based on the 14-moments expansion of Levermore. These coupled models are validated by numerical simulations.
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© 1998 Springer Fachmedien Wiesbaden
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Günther, M., Le Tallec, P., Perlat, J.P., Struckmeier, J. (1998). Numerical Modeling of Gas Flows in the Transition between Rarefied and Continuum Regimes. In: Hirschel, E.H. (eds) Numerical Flow Simulation I. Notes on Numerical Fluid Mechanics (NNFM), vol 66. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-44437-4_11
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DOI: https://doi.org/10.1007/978-3-540-44437-4_11
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