Journal
PHYSICS OF FLUIDS
Volume 24, Issue 1, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3678331
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Funding
- NASA [NNX08AB30A, NNX11AI60A]
- Air Force [FA9550-11-1-0111]
- JAXA
- American Recovery and Reinvestment Act
- NERSC
- NERSC through ERCAP
- NASA [103082, NNX08AB30A, NNX11AI60A, 144438] Funding Source: Federal RePORTER
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This paper addresses one of the most persistent errors in wall-modeled large eddy simulation: the inevitable presence of numerical and subgrid modeling errors in the first few grid points off the wall, which leads to the so-called log-layer mismatch with its associated 10-15% error in the predicted skin friction. By considering the behavior of turbulence length scales near a wall, the source of these errors is analyzed, and a method that allows for the log-layer mismatch to be removed, thereby yielding accurately predicted skin friction, is proposed. (C) 2012 American Institute of Physics. [doi:10.1063/1.3678331]
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