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Volume 38 Issue 12
Dec.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(12): 1644-1648.
Zhang Nan, Ye Jian, Lu Lipenget al. Wall model for large-eddy simulation based on resonant triad waves[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1644-1648. (in Chinese)
Citation: Zhang Nan, Ye Jian, Lu Lipenget al. Wall model for large-eddy simulation based on resonant triad waves[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(12): 1644-1648. (in Chinese)
shu

Wall model for large-eddy simulation based on resonant triad waves

  • 1.

    Department of Automotive Engineering, Chongqing College of Electronic Engineering, Chongqing 401331, China

  • 2. College of Power Engineering, Chongqing University, Chongqing 400030, China

  • 3. School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 18 Sep 2011
  • Publish Date: 30 Dec 2012
    Abstract
  • Large-eddy simulations (LES)were developed to deal with engineering problems in recent decades. The cost of LES of wall-bounded flows depended strongly on the Reynolds number. Wall models to bypass the wall layer and contain adequate near-wall region kinetics were required to perform high-Reynolds-number LES at a reasonable cost. For this purpose, the wall model based on resonant triads was constructed, which was easier to perform in numerical simulations. The methodologies and key strategies of the model were described and the results of full-developed channel flows show that typical structures of the main flow are reasonable compared with well-resolved examples (without wall-models) and significant first- and second-order statistics are consistent well with well-resolved results.

     

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