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Consistency between continuous and discrete models: Another modeling problem in numerical simulation procedure
https://jaxa.repo.nii.ac.jp/records/5673
https://jaxa.repo.nii.ac.jp/records/56735ef3c5b5-ba4d-40f1-b229-332bd30399d3
名前 / ファイル | ライセンス | アクション |
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63824018.pdf (2.3 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 | ||||||
言語 | en | |||||
タイトル | Consistency between continuous and discrete models: Another modeling problem in numerical simulation procedure | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算機シミュレーション | |||||
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 | 数学モデル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 離散モデル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧縮性流体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | オイラー運動方程式 | |||||
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 | 計算機プログラム | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computerized simulation | |||||
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 | mathematical model | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | discrete model | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | compressible fluid | |||||
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 | computer program | |||||
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 | |||||
著者 |
相曽, 秀昭
× 相曽, 秀昭× Aiso, Hideaki |
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著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Aerospace Technology | ||||||
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 en : JAXA Special Publication: Proceedings of Lectures and Workshop International: Recent Advances in Multidisciplinary Technology and Modeling 巻 JAXA-SP-07-008E, p. 175-184, 発行日 2008-02-29 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the procedure of numerical simulation, which is widely used in science and engineering research and development activities, there are two stages of modeling. First we describe the phenomenon that we simulate by mathematical equations. It is called mathematical modeling. The mathematical description is usually a kind of continuous model including the concept of infinity or limiting etc., i.e. differentiation, integral and so on. Then we need the second modeling that approximates the continuous model by some discrete model that can be directly made into a computer program and computed by digital computers. While the word 'modeling' usually means the mathematical modeling, the second modeling is also an important factor in establishing the reliability of numerical methods and it is expected to realize some enough consistency between the continuous and discrete models. The lack of consistency between both models might even do harm with the discussion on the mathematical modeling. We are concerned with the second modeling. We here discuss a few consistency (and inconsistency) problems that happen when the compressible Euler equations are discretized by differencing. | |||||
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: AA0063824018 | |||||
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-07-008E |