Star Formation with Adaptive Mesh Refinement Radiation Hydrodynamics

Details Star Formation with Adaptive Mesh Refinement Radiation Hydrodynamics Star Formation with Adaptive Mesh Refinement Radiation Hydrodynamics

2010-08-25

arxiv.org/abs/1008.4368v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

8 pages, to appear in the Proceedings of IAU Symposium 270: Computational Star Formation

Scientific paper

I provide a pedagogic review of adaptive mesh refinement (AMR) radiation hydrodynamics (RHD) methods and codes used in simulations of star formation, at a level suitable for researchers who are not computational experts. I begin with a brief overview of the types of RHD processes that are most important to star formation, and then I formally introduce the equations of RHD and the approximations one uses to render them computationally tractable. I discuss strategies for solving these approximate equations on adaptive grids, with particular emphasis on identifying the main advantages and disadvantages of various approximations and numerical approaches. Finally, I conclude by discussing areas ripe for improvement.

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