Asymptotic analysis of fluid models for the coupling of radiation and hydrodynamics

This work addresses some asymptotic regimes for the coupling of radiation and hydrodynamics, and is inspired by the still non-answered need of high resolution and robust schemes for the numerical solutions of these problems. Using a simple characterization of the isotropy of the scattering in the co...

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Bibliographic Details
Published in:Journal of quantitative spectroscopy & radiative transfer 2004-05, Vol.85 (3), p.385-418
Main Authors: Buet, Christophe, Despres, Bruno
Format: Article
Language:English
Subjects:
Method of moments
Non-equilibrium diffusion regime
Radiative hydrodynamics
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Summary:This work addresses some asymptotic regimes for the coupling of radiation and hydrodynamics, and is inspired by the still non-answered need of high resolution and robust schemes for the numerical solutions of these problems. Using a simple characterization of the isotropy of the scattering in the comobile reference frame, we derive various asymptotic regimes. Among them is the non-equilibrium regime. Then we prove that the method of moments is compatible with the non-equilibrium regime. We also study the Rankine–Hugoniot relations.
ISSN:0022-4073
1879-1352
DOI:10.1016/S0022-4073(03)00233-4