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直交基底関数を用いる高次精度Discontinuous Galerkin法の検討
https://jaxa.repo.nii.ac.jp/records/6165
https://jaxa.repo.nii.ac.jp/records/6165b966c10e-6ddb-4a24-98a5-91292d3027fc
名前 / ファイル | ライセンス | アクション |
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49212032.pdf (1.3 MB)
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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 | 直交基底関数を用いる高次精度Discontinuous Galerkin法の検討 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 直交基底関数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 不連続ガレルキン法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ガレルキン法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非構造格子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算格子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算流体力学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ナビエ-ストークス方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ルジャンドル関数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 基準セル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 格子形状 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 多項式 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | orthogonal basis function | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | discontinuous Galerkin method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Galerkin method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | unstructured grid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational grid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
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 | Legendre function | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | standard cell | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | grid shape | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | polynomial | |||||
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 | Study of high order Discontinuous Galerkin method with orthogonal basis functions | |||||
著者 |
保江, かな子
× 保江, かな子× 澤田, 恵介× Yasue, Kanako× Sawada, Keisuke |
|||||
著者所属 | ||||||
東北大学 大学院 | ||||||
著者所属 | ||||||
東北大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: 航空宇宙数値シミュレーション技術シンポジウム2005論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2005 巻 JAXA-SP-05-017, p. 191-196, 発行日 2006-02-28 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A Discontinuous Galerkin finite element (DG) method is developed to solve the hyperbolic conservation law in two-dimensional space on unstructured mesh systems having both triangular and quadrilateral computational cells. Use of such mesh systems is supposed important when the Navier-Stokes equations are solved for practical problems in the aerospace applications. In the present DG scheme, the approximate solution within each cell is given by a sum of local basis functions multiplied by degree-of-freedoms. These basis functions are orthogonal in a reference cell in the mapped computational space. Therefore all types of computational cells can be treated in a unified manner. In this paper, the spatial accuracy of the developed DG scheme is examined for several unstructured mesh systems having both triangular and quadrilateral computational cells. It is shown that the present DG scheme gives fairly accurate solutions for wave propagation problems. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0049212032 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-05-017 |