Journal
PHYSICS OF FLUIDS
Volume 24, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3676783
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Funding
- NRF, MEST, Korea [R31-2008-000-10083-0, 2011-0028032]
- Boeing Co.
- NASA
- National Research Foundation of Korea [2011-0028032, 과C6A1803, R31-2012-000-10083-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Resolution requirements for large eddy simulation (LES), estimated by Chapman [AIAA J. 17, 1293 (1979)], are modified using accurate formulae for high Reynolds number boundary layer flow. The new estimates indicate that the number of grid points (N) required for wall-modeled LES is proportional to Re-Lx but a wall-resolving LES requires N similar to Re-Lx(13)/(7), where L-x is the flat-plate length in the streamwise direction. On the other hand, direct numerical simulation, resolving the Kolmogorov length scale, requires N similar to Re-Lx(37/14). (C) 2012 American Institute of Physics. [doi:10.1063/1.3676783]
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