Adaptively refined large eddy simulations of clusters

  title={Adaptively refined large eddy simulations of clusters},
  author={Andreas Maier and Luigi Iapichino and Wolfgang Schmidt and Jens C. Niemeyer},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
We present a numerical scheme for modelling unresolved turbulence in cosmological adaptive mesh refinement codes. As a first application, we study the evolution of turbulence in the intra-cluster medium and in the core of a galaxy cluster. Simulations with and without subgrid scale model are compared in detail. Since the flow in the ICM is subsonic, the global turbulent energy contribution at the unresolved length scales is smaller than 1% of the internal energy. We find that the production of… 

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  • M. Germano
  • Physics, Environmental Science
    Journal of Fluid Mechanics
  • 1992
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