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格子ボルツマン法の一般座標系への拡張とその検証
https://jaxa.repo.nii.ac.jp/records/38268
https://jaxa.repo.nii.ac.jp/records/38268769bfd1c-94b8-4424-8d8f-e50e7b2422c3
名前 / ファイル | ライセンス | アクション |
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nalsp0057047.pdf (564.6 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 格子ボルツマン法の一般座標系への拡張とその検証 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 格子Boltzmann法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 一般座標系 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 検証 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界条件 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 位置精度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値消散 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 構造化グリッド | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 空力係数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 研究開発 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Navier-Stokes方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非圧縮流 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | lattice Boltzmann method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | generalized coordinate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | verification | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary condition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | spatial accuracy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical dissipation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | structured grid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerodynamic coefficient | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | research and development | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Navier-Stokes equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | incompressible flow | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Extension of lattice Boltzmann method to generalized coordinates and its verification | |||||
著者 |
今村, 太郎
× 今村, 太郎× 鈴木, 宏二郎× 中村, 孝× 吉田, 正廣× 福田, 正大× Imamura, Taro× Suzuki, Kojiro× Nakamura, Takashi× Yoshida, Masahiro× Fukuda, Masahiro |
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著者所属 | ||||||
東京大学 大学院 | ||||||
著者所属 | ||||||
東京大学 大学院 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 | ||||||
著者所属 | ||||||
日本原子力研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Atomic Energy 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: 航空宇宙数値シミュレーション技術シンポジウム2002論文集 en : Special Publication of National Aerospace Laboratory: Proceedings of Aerospace Numerical Simulation Symposium 2002 巻 57, p. 262-267, 発行日 2003-03 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper, a generalized interpolation-based lattice Boltzmann method (GILBM) is introduced. The standard lattice Boltzmann equation is transformed into generalized coordinates using metrics. The advection term of the transformed equation is discretized with sufficient spatial accuracy to suppress the numerical dissipation. Additionally, a wall boundary condition suitable for body-fitted grids and a non-reflecting outer boundary condition are introduced. With the present method, the flow around a complex geometry can be solved using structured grids. The three examples of, the cavity flow, the flow around a circular cylinder, and the flow around an airfoil are shown as validation of the method to a wide range of Reynolds number. The present results show good quantitative and qualitative agreement with other computational studies. | |||||
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: AA0045948047 | |||||
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-57 |