Simulation of Initially Forced Mixing Layers

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概要

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• Two-dimensional, turbulent mixing layers with initial periodic forcing aresimulated by a vortex blob method. The motions of up to 2600 vortices and3000 marker particles are followed by the use of the direct summation method.The first-order accurate Euler scheme is employed as a time-integral scheme.Forcing frequencies higher than the first subharmonic of the predominant,fre-quency of an unforced mixing layer are applied. It is shown that the developmentof a turbulent mixing layer depends much on forced disturbances and that tur-bulence suppression or amplification occurs depending on forcing frequencies.The results are consistent with experiments.

• 社団法人日本物理学会の論文
• 1985-01-15

著者

• Inoue Osamu

  Institute Of Fluid Science Tohoku University

• Inoue Osamu

  Institute Of Space And Astronautical Science

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• Simulation of Initially Forced Mixing Layers

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