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Direct Numerical Simulation and Implicit Large Eddy Simulation of Stratified Turbulence

In: High Performance Computing in Science and Engineering '11

Author

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  • S. Remmler

    (Technische Universität München, Institute of Aerodynamics and Fluid Mechanics)

  • S. Hickel

    (Technische Universität München, Institute of Aerodynamics and Fluid Mechanics)

Abstract

Simulation of geophysical turbulent flows requires a robust and accurate subgrid-scale turbulence modeling. We propose an implicit subgrid-scale model for stratified fluids, based on the Adaptive Local Deconvolution Method. To validate this turbulence model, we performed direct numerical simulations of the transition of the three-dimensional Taylor–Green vortex and homogeneous stratified turbulence. Our analysis proves that the implicit turbulence model correctly predicts the turbulence energy budget and the spectral structure of stratified turbulence.

Suggested Citation

  • S. Remmler & S. Hickel, 2012. "Direct Numerical Simulation and Implicit Large Eddy Simulation of Stratified Turbulence," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '11, edition 127, pages 523-535, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-23869-7_38
    DOI: 10.1007/978-3-642-23869-7_38
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