Simulations of Supernova Mechanisms: Types I & II

Details Simulations of Supernova Mechanisms: Types I & II Simulations of Supernova Mechanisms: Types I & II

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.2804a&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #28.04; Bulletin of the American Astronomical Society, Vol. 26, p.1357

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Some recent two dimensional hydrodynamics simulations relevant to understanding supernova explosions will be briefly summarized. For Type Ia supernovae, Livne and Arnett have investigated sub-Chandrasekhar mass models in which helium detonation triggers the detonation of a carbon-oxygen core. A reaction network of 15 species is coupled to hydrodynamics in the non-orthogonal moving mesh code VULCAN. Parallel simulations have been done with the identical network using the PPM hydrodynamics code PROMETHEUS, For Type II and Type Ibc supernovae, Bazan and Arnett have begun to use PROMETHEUS to explore the effects of a supernova shock on their two dimensional models of the oxygen shell in a massive star, and have found interesting constraints on the behavior of the underlying core. Estimates of the effects of oxygen burning on the explosion, on the production and mixing of (56) Ni, and on the formation of the mass cut will be presented.

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