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連続モデルに由来しない離散モデルの不安定性:カーバンクル不安定性
https://jaxa.repo.nii.ac.jp/records/6628
https://jaxa.repo.nii.ac.jp/records/6628f55696cb-0b43-4d5f-a20c-f918d0908ea7
名前 / ファイル | ライセンス | アクション |
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47427027.pdf (607.5 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 | 連続モデルに由来しない離散モデルの不安定性:カーバンクル不安定性 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | カーバンクル不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧縮製性流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Euler運動方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 鈍頭物体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Carbuncle instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | compressible flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Euler equation of motion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | blunt body | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CFD | |||||
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 | Carbuncle instability, which does not come from the original continuous model | |||||
著者 |
相曽, 秀昭
× 相曽, 秀昭× Abouziarov, Moustafa× 高橋, 匡康× Aiso, Hideaki× Abouziarov, Moustafa× Takahashi, Tadayasu |
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著者所属 | ||||||
航空宇宙技術研究所 CFD技術開発センター | ||||||
著者所属 | ||||||
航空宇宙技術研究所 CFD技術開発センター | ||||||
著者所属 | ||||||
航空宇宙技術研究所 CFD技術開発センター | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory CFD Technology Center | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory CFD Technology Center | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory CFD Technology Center | ||||||
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2003論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2003 巻 JAXA-SP-03-002, p. 148-153, 発行日 2004-03-25 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The Carbuncle phenomenon, one of the well known instability phenomena is considered that happen in numerical computations for the compressible Euler equations. This phenomenon is often discussed from the viewpoint how to eliminate or reduce the instability. But the discussion on the phenomenon itself has not yet been done enough. It is tried here to discuss the reason why the instability occurs, especially the machinery of growth of instability. The analysis gives an approximate formula that explains the growth of carbuncle instability in the case of Godunov method. Also given are some numerical experiments showing that the formula has a good coincidence with the growth of real carbuncle phenomenon in a computation for progressing planar shock wave. | |||||
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: AA0047427027 | |||||
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-03-002 |