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Numerical study for resonant triad interaction and secondary instability in two-dimensional supersonic boundary layer

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Abstract

By direct numerical simulation, a supersonic boundary layer was studied to see whether the mechanism for the generation of sub-harmonic waves, similar to those for the incompressible flows, existed in the process of laminar-turbulent transition. The results showed that mechanisms of both resonant triad and secondary instability did exist. Discussions were made on whether these two mechanisms are really important in laminar-turbulent transition.

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Authors and Affiliations

  1. Department of Mechanics, Tianjin University, Tianjin, 300072, P. R. China

    Dong Ya-ni  (董亚妮) & Zhou Heng  (周恒) (Professor, Academician of Chinese Academy of Sciences)

  2. Liuhui Center of Applied Mathematics, Nankai University of Tianjin University, Tianjin, 300073, P. R. China

    Dong Ya-ni  (董亚妮) & Zhou Heng  (周恒) (Professor, Academician of Chinese Academy of Sciences)

Authors
  1. Dong Ya-ni  (董亚妮)
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  2. Zhou Heng  (周恒)
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Corresponding author

Correspondence to Zhou Heng  (周恒).

Additional information

Project supported by the National Natural Science Foundation of China (No.90205021), the Special Foundation for Doctoral Dissertations Research (No.200328) and the Science Foundation of Liuhui Center of Applied Mathematics, Nankai University and Tianjin University

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Dong, Yn., Zhou, H. Numerical study for resonant triad interaction and secondary instability in two-dimensional supersonic boundary layer. Appl Math Mech 27, 141–148 (2006). https://doi.org/10.1007/s10483-006-0201-1

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  • DOI: https://doi.org/10.1007/s10483-006-0201-1

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