[OS1-1-1] OS.1-1：乱流，渦，波動 | 39th CFD Symposium

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乱流，渦，波動１．物理モデル：現象のモデリングに関する提案・解析・評価 : OS.1-1：乱流，渦，波動

OS.1-1：乱流，渦，波動

Tue. Dec 16, 2025 10:00 AM - 11:40 AM JST
Tue. Dec 16, 2025 1:00 AM - 2:40 AM UTC

Room A: Main Hall(1st Floor)

Chair:Takahiro Tsukahara

10:00 AM - 10:20 AM JST(1:00 AM - 1:20 AM UTC)

[OS1-1-1-01]Counter-rotating Vertical Vortex Columns as Dissipative Structures

*Kazuaki Uchibori¹, Shuhei Ohnishi¹ (1. Institute of Computational Fluid Dynamics Co., Ltd. (iCFD))

10:20 AM - 10:40 AM JST(1:20 AM - 1:40 AM UTC)

[OS1-1-1-02]A sufficient condition for spiral vortex breakdowns to occur in supersonic flows

*Toshihiko Hiejima¹ (1. Osaka Metropolitan University)

10:40 AM - 11:00 AM JST(1:40 AM - 2:00 AM UTC)

[OS1-1-1-03]Analysis and modeling of non-local eddy viscosity in turbulent flows

*Fujihiro Hamba¹ (1. The University of Tokyo)

11:00 AM - 11:20 AM JST(2:00 AM - 2:20 AM UTC)

[OS1-1-1-04]Global Stability Analysis of Boundary Layer Flow Over Complex Roughness Using Volume Penalization

*Hinata Fujii¹, Makoto Hirota², Yuji Hattori² (1. Department of Applied Information Sciences, Graduate School of Information Sciences, Tohoku University, 2. Institute of Fluid Science, Tohoku University)

11:20 AM - 11:40 AM JST(2:20 AM - 2:40 AM UTC)

[OS1-1-1-05]Symmetries of large-scale structures in turbulent channel flow

*Seiya Watanabe¹, Yasuyuki Nishikawa¹, Shingo Motoki¹, Genta Kawahara¹ (1. Osaka University)

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