Geometric Eddington factor for radiative transfer
J. Cartier
Direction des Applications Militaires, Bruyeres Le Chatel, FranceA. Munnier
Université de Paris Dauphine, Paris, France
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Abstract
In this paper a geometric closure method for radiative transfer equations has been developed and investigated using particular geometric configurations. Then we propose a new formulation of the Eddington factor (and the related flux limiter) adapted to radiative transfer calculations, whereas classical Eddington’s approximation cannot be applied. Moreover, a numerical scheme and numerical results for the new flux limiter are presented in two dimensions configurations.