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HR-SLAU2 および HR-AUSM(+) -up: 高解像度非定常空力シミュレーションに向けて
https://jaxa.repo.nii.ac.jp/records/3853
https://jaxa.repo.nii.ac.jp/records/385318da919f-df32-4423-b452-2dc5f2158f98
名前 / ファイル | ライセンス | アクション |
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AA1530023018.pdf (894.6 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-04-28 | |||||
タイトル | ||||||
タイトル | HR-SLAU2 および HR-AUSM(+) -up: 高解像度非定常空力シミュレーションに向けて | |||||
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_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 | HR-SLAU2 and HR-AUSM(+)-up towards High Resolution Unsteady Aerodynamic Simulations | |||||
著者 |
北村, 圭一
× 北村, 圭一× 橋本, 敦× Kitamura, Keiichi× Hashimoto, Atsushi |
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著者所属 | ||||||
名古屋大学 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
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: 第46回流体力学講演会/第32回航空宇宙数値シミュレーション技術シンポジウム論文集 en : JAXA Special Publication: Proceedings of the 46th Fluid Dynamics Conference / 32nd Aerospace Numerical Simulation Symposium 巻 JAXA-SP-14-010, p. 99-104, 発行日 2015-03-25 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第46回流体力学講演会/第32回航空宇宙数値シミュレーション技術シンポジウム (2014年7月3日-4日. 弘前文化センター), 弘前市, 青森県 | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 46th Fluid Dynamics Conference / 32nd Aerospace Numerical Simulation Symposium (July 3-4, 2014. Hirosaki Bunka Center), Hirosaki, Aomori, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The reduced dissipation approach has been applied to AUSM-family flux functions of SLAU2 and AUSM(+)-up towards high resolution transonic buffet simulations on unstructured grids. In this approach, the dissipation term (of the pressure flux) in each flux function is locally controlled (0 < γHR < 1, γHR: dissipation coefficient) where a cell-interface orientation angle is small (i.e., cell geometry is nearly squared) and/or where flows are smooth, and the original methods are recovered otherwise (γHR =1). Numerical tests demonstrated that the proposed HR (High-Resolution) -SLAU2 achieved better resolution (while maintaining robustness) for a double shear layer problem (Mach 0.01) and decaying isotropic turbulence (Mach 6×10(exp(-4)), compared with the original counterparts (γHR =1) or an existing method (HR-Roe), whereas HR-AUSM(+)-up showed degraded resolution due to a large cutoff Mach number required for a stability reason. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
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: AA1530023018 | |||||
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-14-010 |