Acta Physica Sinica, Volume. 69, Issue 14, 144702-1(2020)

A method of adaptively adjusting dissipation for the simulation of separated flow

Hao Li*... Wei Liu and Sheng-Ye Wang |Show fewer author(s)
Author Affiliations
  • College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China
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    Figures & Tables(20)
    Analysis of dissipation and dispersion: (a) Dissipation; (b) dispersion
    The curve of error (a) vs. mesh scale ; (b) vs. CPU time
    Vorticity magnitude contour of grid: (a) DCS; (b) ADCS
    Vorticity magnitude contour of grid: (a) DCS; (b) ADCS
    Comparison of u velocity profile at centerline: (a) 642; (b)
    Comparison of energy-spectral: (a) ; (b)
    -criterion iso-surface at : (a) ADCS; (b) ADCS; (c) DCS
    - criterion iso-surface at : (a) ADCS; (b) ADCS; (c) DCS
    and curves at
    criterion iso-surface at : (a) DCS; (b) ADCS
    The contour of and of ADCS at : (a) ; (b)
    The contour of vorticity y at : (a) DCS; (b) ADCS
    criterion at the wake of circular cylinder: (a) DCS; (b) ADCS
    around the circular cylinder
    u velocity profile at
    Mean velocity profile at : (a) ; (b)
    Reynolds stress profile at : (a) ; (b) ; (c)
    Mean velocity profile at : (a) ; (b)
    Reynolds stress profile at : (a) ; (b) ; (c)
    • Table 1. Comparison of error and accuracy of order

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      Table 1. Comparison of error and accuracy of order

      网格ADCSDCS
      $ L_2 $误差 精度$ L_2 $误差 精度
      $ 32^2 $5.91520 $ \times 10^{-9} $5.49050 $ \times 10^{-9} $
      $ 48^2 $4.14450 $ \times 10^{-9} $0.873.84780 $ \times 10^{-9} $0.88
      $ 64^2 $2.33030 $ \times 10^{-9} $2.012.06870 $ \times 10^{-9} $2.16
      $ 96^2 $2.59250 $ \times 10^{-10} $5.425.15010 $ \times 10^{-10} $3.43
      $ 128^2 $5.39380 $ \times 10^{-11} $5.461.26630 $\times 10^{-10}$4.88
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    Hao Li, Wei Liu, Sheng-Ye Wang. A method of adaptively adjusting dissipation for the simulation of separated flow[J]. Acta Physica Sinica, 2020, 69(14): 144702-1

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    Paper Information

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    Received: Jan. 15, 2020

    Accepted: --

    Published Online: Dec. 28, 2020

    The Author Email:

    DOI:10.7498/aps.69.20200102

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