Numerical Modeling of Gas Flows in the Transition between Rarefied and Continuum Regimes

  • In this paper we derive fluid dynamic equations byperforming asymptotic analysis for the generalized Boltzmann equationfor polyatomic gases. In particular, we consider the steady state,one-dimensional Boltzmann equation with one additional internal energyand different relaxation times. Moreover, we present a new approachto define coupling procedures for the Boltzmann equation and Navier-Stokesequations based on the 14-moments expansion of Levermore. These coupledmodels are validated by numerical simulations.

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Metadaten
Author:M. Guenther, P. Le Tallec, J.P. Perlat, J. Struckmeier
URN:urn:nbn:de:hbz:386-kluedo-6006
Series (Serial Number):Berichte der Arbeitsgruppe Technomathematik (AGTM Report) (194)
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of first Publication:1999
Publishing Institution:Technische Universität Kaiserslautern
Date of the Publication (Server):2000/06/25
Faculties / Organisational entities:Kaiserslautern - Fachbereich Mathematik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 510 Mathematik
Licence (German):Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011