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Towards a Predictive Hybrid RANS/LES Framework
Sigfried Haering, Todd A. Oliver, Robert D. Moser
Predictive simulation of many complex flows requires moving beyond Reynolds-averaged Navier-Stokes (RANS) based models to representations resolving at least some scales of turbulen…
Resolution-induced anisotropy in LES
Sigfried Haering, Myoungkyu Lee, Robert D. Moser
Large eddy simulation (LES) of turbulence in complex geometries and domains is often conducted with high aspect ratio resolution cells of varying shapes and orientations. The effec…
Spectral analysis of the budget equation in turbulent channel flows at high Re
Myoungkyu Lee, Robert D. Moser
The transport equations for velocity variances are investigated using data from DNS of incompressible channel flows at up to 5200. Each term in the transport equation has be…