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  1. A500 情報学部/情報学研究科・情報文化学部・情報科学研究科
  2. A500a 雑誌掲載論文
  3. 学術雑誌

Shape optimisation problem for stability of Navier–Stokes flow field

http://hdl.handle.net/2237/00029252
1296c3fd-09be-49e9-bbd4-43fa9cd42afb
名前 / ファイル ライセンス アクション
main.pdf main (2.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-02-06
タイトル
タイトル Shape optimisation problem for stability of Navier–Stokes flow field
著者 Kiriyama, Yasuyuki

× Kiriyama, Yasuyuki

WEKO 88619

Kiriyama, Yasuyuki

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Katamine, Eiji

× Katamine, Eiji

WEKO 88620

Katamine, Eiji

Search repository
Azegami, Hideyuki

× Azegami, Hideyuki

WEKO 88621

Azegami, Hideyuki

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権利
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.
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
内容記述タイプ Other
出版者
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
DOI
関連識別子
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 ISSN
収録物識別子 1061-8562
ISSN(Online)
収録物識別子タイプ ISSN
収録物識別子 1029-0257
書誌情報 International Journal of Computational Fluid Dynamics

巻 32, 号 2-3, p. 68-87, 発行日 2018-08-01
著者版フラグ
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