Direct Numerical Simulation and Implicit Large Eddy Simulation of Stratified Turbulence

S. Remmler () and S. Hickel
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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

A chapter in High Performance Computing in Science and Engineering '11, 2012, pp 523-535 from Springer

Abstract: 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.

Keywords: Large Eddy Simulation; Direct Numerical Simulation; Froude Number; Inertial Range; Direct Numerical Simulation Data (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-23869-7_38

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DOI: 10.1007/978-3-642-23869-7_38

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