The Monte Carlo photoionization and moving-mesh radiation hydrodynamics code CMacIonize

B. Vandenbroucke, K. Wood

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)
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Abstract

We present the public Monte Carlo photoionization and moving-mesh radiation hydrodynamics code CMacIonize, which can be used to simulate the self-consistent evolution of HII regions surrounding young O and B stars, or other sources of ionizing radiation. The code combines a Monte Carlo photoionization algorithm that uses a complex mix of hydrogen, helium and several coolants in order to self-consistently solve for the ionization and temperature balance at any given type, with a standard first order hydrodynamics scheme. The code can be run as a post-processing tool to get the line emission from an existing simulation snapshot, but can also be used to run full radiation hydrodynamical simulations. Both the radiation transfer and the hydrodynamics are implemented in a general way that is independent of the grid structure that is used to discretize the system, allowing it to be run both as a standard fixed grid code, but also as a moving-mesh code.
Original languageEnglish
Pages (from-to)40-59
Number of pages20
JournalAstronomy and Computing
Volume23
Early online date8 Mar 2018
DOIs
Publication statusPublished - Apr 2018

Keywords

  • Numerical
  • Hydrodynamics
  • Radiative transfer
  • ISM: evolution

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