• Corpus ID: 238744437

High-order gas-kinetic scheme for radiation hydrodynamics in equilibrium-diffusion limit

  title={High-order gas-kinetic scheme for radiation hydrodynamics in equilibrium-diffusion limit},
  author={Yaqing Yang and Liang Pan and Wenjun Sun},
  • Yaqing Yang, Liang Pan, Wenjun Sun
  • Published 13 October 2021
  • Computer Science, Mathematics
  • ArXiv
In this paper, a high-order gas-kinetic scheme is developed for the equation of radiation hydrodynamics in equilibrium-diffusion limit which describes the interaction between matter and radiation. To recover RHE, the Bhatnagar-Gross-Krook (BGK) model with modified equilibrium state is considered. In the equilibrium-diffusion limit, the time scales of radiation diffusion and hydrodynamic part are different, and it will make the time step very small for the fully explicit scheme. An implicit… 

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