Statistics – Applications
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1171..217s&link_type=abstract
RECENT DIRECTIONS IN ASTROPHYSICAL QUANTITATIVE SPECTROSCOPY AND RADIATION HYDRODYNAMICS: Proceedings of the International Confe
Statistics
Applications
Radiative Transfer, Magnetohydrodynamics, Accretion Disks, Radiative Transfer, Scattering, Magnetohydrodynamics And Plasmas, Accretion And Accretion Disks
Scientific paper
Progress in the development and application of numerical algorithms for multidimensional radiation hydrodynamics is described. This includes a full-transport algorithm using operator splitting implemented in the ZEUS-2D code in the late 1980s, a three-dimensional flux-limited diffusion module using operator splitting implemented in the ZEUS code in the late 1990s, and most recently the development of a full-transport radiation hydrodynamic algorithm for higher-order Godunov methods, as implemented in the Athena code in the last few years. These algorithms have been developed primarily to study the dynamics of accretion disks around compact objects, and selected results from these applications are described. Adding radiation to Godunov methods without operator splitting is a significant challenge, and the techniques being developed for Athena are still being tested. However, they promise improved accuracy over current methods. This work would not have been possible without Dimitri Mihalas's inspiration and guidance during my PhD thesis, and I briefly recount some of the ways Dimitri has influenced my career.
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