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Radiative transfer with scattering for domain-decomposed 3D MHD simulations of cool stellar atmospheres: Numerical methods and application to the quiet, non-magnetic, surface of a solar-type star

Hayek, Wolfgang; Asplund, Martin; Carlsson, M.; Trampedach, Regner; Collet, R; Gudiksen, B; Hansteen, V H; Leenaarts, J

Description

Aims. We present the implementation of a radiative transfer solver with coherent scattering in the new BIFROST code for radiative magneto-hydrodynamical (MHD) simulations of stellar surface convection. The code is fully parallelized using MPI domain decomposition, which allows for large grid sizes and improved resolution of hydrodynamical structures. We apply the code to simulate the surface granulation in a solar-type star, ignoring magnetic fields, and investigate the importance of coherent...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/79390
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201014210

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