Statistics – Computation
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...20312502d&link_type=abstract
American Astronomical Society Meeting 203, #125.02; Bulletin of the American Astronomical Society, Vol. 35, p.1412
Statistics
Computation
Scientific paper
Large-scale simulations of supernovae of Type Ia, which are essential for the ultimate understanding of the supernovae mechanism, need flame physics input at three stages: Ignition and early flame propagation, Large scale burning in a turbulent medium, and a transition to detonation, should one occur.
One aspect of our investigation of flame physics has been to examine the behavior of well-known flame instabilities such as Landau-Darrieus in the context of astrophysical flames and degenerate matter. These instabilities can distort and wrinkle the flame surface, increasing the amount of burning and thus the rate of energy input. We have examined both the effects of magnetic fields, and flame curvature and strain in degenerate material, on the growth rate of these instabilities.
LJD was supported by the Department of Energy Computational Science Graduate Fellowship Program of the Office of Scientific Computing and Office of Defense Programs in the Department of Energy under contract DE-FG02-97ER25308.
Caceres Alejandro
Calder Alan C.
Dursi Jonathan L.
Fryxell Bruce
Lamb Don Q.
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