CAFE-R a code that solves the special relativistic radiation hydrodynamics equations

Abstract

We present a 3D special-relativistic radiation hydrodynamics code. It uses the radiative inversion scheme with the M1-closure relation for the radiation equations, which allows the treatment of a wide range of optical depth, temperature and opacity. The radiation field is treated in the grey-body approximation. We present the standard 1D and 2D tests that include both optically thin and thick scenarios, as well as hydrodynamical and radiation pressure dominated configurations. As an application in 3D, we show the evolution of a jet driven by radiation-hydrodynamics with a helical perturbation. The code is expected to allow the exploration of scenarios in high-energy astrophysics where the radiation is important, like sources of GRBs.

16 pages, 18 figures. Accepted for publication in ApJS

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Cited by in corpus (6)

• Beyond moments: relativistic Lattice-Boltzmann methods for radiative transport in computational astrophysics
• Two-moment scheme for general-relativistic radiation hydrodynamics: a systematic description and new applications
• General-relativistic radiation transport scheme in $\text{Gmunu}$ I: Implementation of two-moment based multi-frequency radiative transfer and code tests
• On the application of Jacobian-free Riemann solvers for relativistic radiation magnetohydrodynamics under M1 closure
• Exploration of simple scenarios involving Fuzzy Dark Matter cores and gas at local scales
• CAFE-AMR: A computational MHD Solar Physics simulation tool that uses AMR