New Approaches for Modeling Type Ia Supernovae.

Zingale, M. ; Almgren, A. S. ; Bell, J. B. ; Day, M. S. ; Rendleman, C. A. ; Woosley, S. E.

Technical Information Center Oak Ridge Tennessee

关键词: Supernovae;    Thermonuclear explosions;    Algorithms;    Simulations;    Computational modeling;   

RP-ID  :  DE2007910243

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

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 timescales. In this paper, we discuss several new algorithms for simulations of SNe Ia and demonstrate some of their successes.