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Applied Mathematics and Mechanics (English Edition) ›› 2000, Vol. 21 ›› Issue (12): 1341-1344.

• Articles •     Next Articles

A NUMERICAL STUDY FOR SMALL AMPLITUDE T-S WAVES IN A SUPERSONIC BOUNDARY LAYER

YUAN Xiang-jiang1,2, ZHOU Heng1   

  1. 1. Department of Mechanics, Tianjin University, Tianjin 300072, P. R. China;
    2. Research and Development Center of Aerodynamics of China, Mianyang 621000, P. R. China
  • Received:2000-03-03 Revised:2000-09-15 Online:2000-12-18 Published:2000-12-18
  • Supported by:

    the National Climbing Project of China(19732005)

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Abstract: The propagation of the disturbance waves in a boundary layer at Mach. number= 4.5 is studied by direct numerical simulation (DNS), using NND scheme, and different amplitudes A=0.01, 0.001, 0.000 1 of the disturbance have been assumed. The numerical result shows that there might be shocklets induced in the boundary layer, even when the amplitude of disturbance wave is still small.

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