Implicit les for two-dimensional turbulence using shock capturing monotone scheme

Keiichi Ishiko, Naofumi Ohnishi, Keisuke Sawada

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

The Weighted Compact Nonlinear Scheme (WCNS) developed by Deng et al. is applied to implicit LES of two-dimensional and three-dimensional homogeneous turbulent flowfield. Comparisons of the obtained energy spectrum with that given by Kawamura-Kuwahara scheme are made. It is shown that WCNS can reproduce inertial range in the energy spectrum fairly well for two-dimensional flowfield. A truncation of energy spectrum naturally occurs at high wave number limit with a favorable dissipative effect. Comparisons of the computed results with those given by Kawamura-Kuwahara scheme indicate that WCNS is more preferable to implicit LES in terms of numerical accuracy. However, for three-dimensional flowfield, the computed inertial range using WCNS is less obvious probably due to insufficient mesh resolution. In this study, we also consider a problem of two-dimensional inviscid double shear layer. This problem is solved by WCNS scheme for incompressible flow and also that for compressible flow. It is found that WCNS for compressible flow can reproduce the vorticity field of incompressible flow fairly well, though a slightly more dissipative nature is implied.

本文言語English
ホスト出版物のタイトルCollection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
出版社American Institute of Aeronautics and Astronautics Inc.
ページ8441-8452
ページ数12
ISBN(印刷版)1563478072, 9781563478079
DOI
出版ステータスPublished - 2006
イベント44th AIAA Aerospace Sciences Meeting 2006 - Reno, NV, United States
継続期間: 2006 1 92006 1 12

出版物シリーズ

名前Collection of Technical Papers - 44th AIAA Aerospace Sciences Meeting
12

Other

Other44th AIAA Aerospace Sciences Meeting 2006
国/地域United States
CityReno, NV
Period06/1/906/1/12

ASJC Scopus subject areas

  • 宇宙惑星科学
  • 航空宇宙工学

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