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New approaches for modeling Type Ia supernovae

M Zingale1, A S Almgren2, J B Bell2, M S Day2, C A Rendleman2 and S E Woosley3

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Type Ia supernovae (SNe Ia) are the largest thermonuclear explosions in the Universe. Their light output can be seen across great distances and has led to the discovery that the expansion rate of the Universe is accelerating. Despite the significance of SNe Ia, there are still a large number of uncertainties in current theoretical models. Computational modeling offers the promise to help answer the outstanding questions. However, even with today's supercomputers, such calculations are extremely challenging because of the wide range of length and time scales. In this paper, we discuss several new algorithms for simulations of SNe Ia and demonstrate some of their successes.


PACS

97.60.Bw Supernovae

95.30.Tg Thermodynamic processes, conduction, convection, equations of state

97.20.Rp Faint blue stars (including blue stragglers), white dwarfs, degenerate stars, nuclei of planetary nebulae

95.30.Lz Hydrodynamics

Subjects

Fluid dynamics

Astrophysics and astroparticles

Dates

Issue 1 (2006)



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