Volume 432, Number 3, March IV 2005
|Page(s)||969 - 983|
|Section||Stellar structure and evolution|
|Published online||07 March 2005|
Following multi-dimensional type Ia supernova explosion models to homologous expansion
Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, 85741 Garching, Germany e-mail: email@example.com
Accepted: 16 November 2004
The last years have witnessed a rapid development of three-dimensional models of type Ia supernova explosions. The next step is to evaluate these models varying the initial parameters and to compare them with observations. To calculate synthetic lightcurves and spectra from numerical models, it is mandatory to follow the evolution up to homologous expansion. We report on methods to achieve this in our current implementation of multi-dimensional type Ia supernova explosion models. The novel scheme is thoroughly tested in two dimensions and a simple example of a three-dimensional simulation is presented. We discuss to what degree the assumption of homologous expansion is justified in these models.
Key words: stars: supernovae: general / hydrodynamics / methods: numerical
© ESO, 2005
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