Radiation hydrodynamics with dimitri, ZEUS, and Athena

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

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.

Original languageEnglish (US)
Title of host publicationRecent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics - Proc. Int. Conf. Honor of Dimitri Mihalas for His Lifetime Sci. Contrib. Occasion of His 70th Birthday
PublisherAmerican Institute of Physics Inc.
Pages217-229
Number of pages13
ISBN (Print)9780735407107
DOIs
StatePublished - Jan 1 2009
EventInternational Conference in Honor of Dimitri Mihalas for His Lifetime Scientific Contributions on the Occasion of His 70th Birthday:Recent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics - Boulder, CO, United States
Duration: Mar 30 2009Apr 3 2009

Publication series

NameAIP Conference Proceedings
Volume1171
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherInternational Conference in Honor of Dimitri Mihalas for His Lifetime Scientific Contributions on the Occasion of His 70th Birthday:Recent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics
CountryUnited States
CityBoulder, CO
Period3/30/094/3/09

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Physics and Astronomy(all)
  • Nature and Landscape Conservation

Keywords

  • Accretion disks
  • Magnetohydrodynamics
  • Methods:Numerical
  • Radiation hydrodynamics

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