2021/12/31 by Johannes Markert, Stefanie Walch, Gregor J. Gassner +1 · 4 citations
Computer Science · Engineering · Mathematics · Physics and Astronomy · #Combustion and Detonation Processes #Computational Fluid Dynamics and Aerodynamics #Computational science #Computer science #Discontinuous Galerkin method #Finite element method #Flash (photography) #Gas Dynamics and Kinetic Theory #Multiphysics #Optics #Physics #Programming language #Solver #Thermodynamics #astro-ph.IM #cs.NA #math.NA
paper · pdf · doi:10.1093/mnras/stac298
published in Monthly Notices of the Royal Astronomical Society 511(3), 4179-4200 (Oxford University Press) · arXiv admin note: text overlap with arXiv:1806.02343 by other authors
openalex publication_date 2022/02/01 · openalex created_date 2022/02/08 · arxiv created 2022/02/25 · arxiv updated 2022/03/01 · openalex updated_date 2026/08/05
ABSTRACT In this paper, we present a discontinuous Galerkin solver based on previous work by the authors for magnetohydrodynamics in form of a new fluid solver module integrated into the established and well-known multiphysics simulation code flash. Our goal is to enable future research on the capabilities and potential advantages of discontinuous Galerkin methods for complex multiphysics simulations in astrophysical settings. We give specific details and adjustments of our implementation within the flash framework and present extensive validations and test cases, specifically its interaction with several other physics modules such as (self-)gravity and radiative transfer. We conclude that the new DG solver module in flash is ready for use in astrophysics simulations and thus ready for assessments and investigations.