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前処理法による非定常低速流れの数値解析の精度
https://jaxa.repo.nii.ac.jp/records/6626
https://jaxa.repo.nii.ac.jp/records/6626d82a77a9-22f5-4d8c-b713-a8cebbca0a73
名前 / ファイル | ライセンス | アクション |
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47427025.pdf (615.7 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 | 前処理法による非定常低速流れの数値解析の精度 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | マッハ数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧縮性流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非定常流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 航空機着陸 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CFD | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ニュートン法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ラム渦 | |||||
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 | Mach number | |||||
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 | unsteady flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aircraft landing | |||||
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 | Newton method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lamb vortex | |||||
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 | Accuracy of numerical analysis for unsteady low-speed flows using preconditioning | |||||
著者 |
向井, 純一
× 向井, 純一× 榎本, 俊治× Mukai, Junichi× Enomoto, Shunji |
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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(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
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. 137-142, 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 | When computational simulation for low Mach number flows is carried out with a compressible flow solver, its performance deteriorates in terms of both convergence speed and accuracy. Difficulties with low speed flow calculation are caused by the disparate particle and acoustic wave speed. Local preconditioning method for the low speed flow minimizes this wave speed range to improve convergence of an iterative method. When calculating unsteady flows, this difficulty also arises. Therefore, preconditioning method is applied to the inner iteration for the unsteady calculation. This paper reports the accuracy of the basic low speed unsteady flows calculation with preconditioning method. | |||||
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: AA0047427025 | |||||
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 |