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Shape optimisation problem for stability of Navier–Stokes flow field
http://hdl.handle.net/2237/00029252
http://hdl.handle.net/2237/000292521296c3fd-09be-49e9-bbd4-43fa9cd42afb
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-02-06 | |||||
タイトル | ||||||
タイトル | Shape optimisation problem for stability of Navier–Stokes flow field | |||||
言語 | en | |||||
著者 |
Kiriyama, Yasuyuki
× Kiriyama, Yasuyuki× Katamine, Eiji× Azegami, Hideyuki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | This is an Accepted Manuscript of an article published by Taylor & Francis Group in International Journal of Computational Fluid Dynamics on 01/08/2018, available online: http://www.tandfonline.com/10.1080/10618562.2018. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Navier–Stokes flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | hydrodynamic stability | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | linear disturbance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | shape optimisation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | finite element method | |||||
抄録 | ||||||
内容記述 | This paper presents the numerical results of a shape optimisation problem with regard to delaying the transition of a Navier–Stokes flow field from laminar to turbulent by using the theory developed by Nakazawa and Azegami. The theory was reviewed within the framework of functional analysis and updated with another expression of the shape derivative with respect to the objective function. A computer program was developed with the FreeFEM++. Numerical analyses were performed for two types of problems: a two-dimensional Poiseuille flow field with a sudden expansion and a two-dimensional uniform flow field around an isolated body. From the first example, two local minimum points of symmetric and asymmetric flow fields were determined, and the asymmetric flow field was found to be more stable. With regard to the second example, we reached the local minimum point of an elliptical shape, and infrequently determined a solution converging to an elliptical shape with the bluff in the leeward direction. By comparison, the superiority of the elliptical shape was obvious. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2019/08/01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Taylor & Francis | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1080/10618562.2018.1500692 | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1061-8562 | |||||
ISSN(Online) | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 1029-0257 | |||||
書誌情報 |
en : International Journal of Computational Fluid Dynamics 巻 32, 号 2-3, p. 68-87, 発行日 2018-08-01 |
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著者版フラグ | ||||||
値 | author |