Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-10-25
Astronomy and Astrophysics
Astrophysics
23 pages. Proceedings of Open Issues in Understanding Core Collapse Supernovae, National Institute for Nuclear Theory, Univers
Scientific paper
The computational difficulty of six-dimensional neutrino radiation hydrodynamics has spawned a variety of approximations, provoking a long history of uncertainty in the core-collapse supernova explosion mechanism. Under the auspices of the Terascale Supernova Initiative, we are honoring the physical complexity of supernovae by meeting the computational challenge head-on, undertaking the development of a new adaptive mesh refinement code for self-gravitating, six-dimensional neutrino radiation magnetohydrodynamics. This code--called {\em GenASiS}, for {\em Gen}eral {\em A}strophysical {\em Si}mulation {\em S}ystem--is designed for modularity and extensibility of the physics. Presently in use or under development are capabilities for Newtonian self-gravity, Newtonian and special relativistic magnetohydrodynamics (with `realistic' equation of state), and special relativistic energy- and angle-dependent neutrino transport--including full treatment of the energy and angle dependence of scattering and pair interactions.
Cardall Christian Young
Endeve Eirik
Mezzacappa Anthony
Razoumov Alexei Olegovich
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