期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 382, 期 4, 页码 1759-1767出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1365-2966.2007.12486.x
关键词
radiative transfer; methods : numerical
We present a new fast algorithm which allows the simulation of ionizing radiation emitted from a point source to be included in high-resolution three-dimensional smoothed particle hydrodynamics simulations of star cluster formation. We employ a Stromgren volume technique in which we use the densities of particles near the line-of-sight between the source and a given target particle to locate the ionization front in the direction of the target. Along with one-dimensional tests, we present fully three-dimensional comparisons of our code with the three-dimensional Monte Carlo radiative transfer code, mocassin, and show that we achieve good agreement, even in the case of highly complex density fields.
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