Hyperbolicity and critical points in two-moment approximate radiative transfer.

Details Hyperbolicity and critical points in two-moment approximate radiative transfer. Hyperbolicity and critical points in two-moment approximate radiative transfer.

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...325..203s&link_type=abstract

Astronomy and Astrophysics, v.325, p.203-211

Astronomy and Astrophysics

Astrophysics

7

Radiative Transfer, Methods: Numerical, Stars: General, Stars: Supernovae: General

Scientific paper

We present numerical calculations of spherically symmetric radiative transport using a two-moment (P-1) method with a two-dimensional non-linear closure on the Eddington factor. The stationary state solutions contain a critical point. We demonstrate that the two-moment equations with a non-linear closure are well behaved. The solutions are physically acceptable, regular and accurate.

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