日本航空宇宙学会論文集
Online ISSN : 2432-3691
Print ISSN : 1344-6460
ISSN-L : 1344-6460
論文
I形断面梁まわりに生じる二次元非定常流れのPOD解析
原田 基至左海 将之李家 賢一今村 太郎
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ジャーナル フリー

2015 年 63 巻 3 号 p. 89-95

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The purpose of this paper is to understand characteristics of flow around I-beam, which is designed based on structural point of view. The flow is investigated by analyzing the influence of angle-of-attack on the vortex-shedding frequencies and the flow structures. To achieve this purpose, two-dimensional flow around circular cylinder, square cylinder and I-beam is calculated and proper orthogonal decomposition is applied to the results to extract flow structures. The results show that the cavity of I-beam has impacts on the flow and the flow becomes complicated especially at 45°.

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© 2015 The Japan Society for Aeronautical and Space Sciences
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