A study on wall boundary condition in LES.

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  • ＬＥＳ乱流計算における壁面境界条件の一考察
  • LES ランリュウ ケイサン ニ オケル ヘキメン キョウカイ ジョウケン ノ

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LES (large eddy simulation) has been verified in simple flow fields. There are few examples in engineering applications, partly because the treatment of the wall boundary condition in complex flow has not been developed. In this paper, a new approach to imposing the wall boundary condition by a two-layer model is developed in LES. This method proved to be valid for application to turbulent channel flow.

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