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Imp1icit Factored Methodによる二次元非圧縮Navier-Stokes方程式の計算
https://jaxa.repo.nii.ac.jp/records/43152
https://jaxa.repo.nii.ac.jp/records/43152eee670f2-0725-4b2f-9f87-0b897a3f85ca
名前 / ファイル | ライセンス | アクション |
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nalsp0003010.pdf (551.5 kB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | Imp1icit Factored Methodによる二次元非圧縮Navier-Stokes方程式の計算 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Computation of the Two-Dimensional Incompressible Navier-Stokes Equations Using an Implicit Factored Method | |||||
著者 |
児玉, 良明
× 児玉, 良明× Kodama, Yoshiaki |
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著者所属 | ||||||
運輸省船舶技術研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
Ship Research Institute | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory(NAL) | |||||
書誌情報 |
航空宇宙技術研究所特別資料 en : Special Publication of National Aerospace Laboratory SP-3 巻 3, p. 77-84, 発行日 1984-11 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | An implicit factored scheme was used for solving the two-dimensional incompressible Navier-Stokes equations. Pseudo compressibility was introduced in the continuity equation. The non-conservation from was chosen for stability. Von Neumann stability analysis with a model scalar equation showed that the present scheme remains stable under arbitrary coordinate transformations, without adding any numerical dissipation term. Calculation was made for a backward-facing step flow with the Reynolds number Re= Upeak H /nu= 58, where H is a step height. Convergence was obtained after about 300 iterations, using a non-dimensional time step DELTAt = 1.0. The calculated results show a reasonable tendency, except that small oscillations appear in the pressure distribution near the corner point. This phenomenon needs to be further investigated. | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 1.0. The calculated results show a reasonable tendency, except that small oscillations appear in the pressure distribution near the corner point. This phenomenon needs to be further investigated. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: NALSP0003010 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL SP-3 |