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Bibliographic Record
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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 相曽, 秀昭Aiso, Hideaki
- Author Heading
- Publication, Distribution, etc.
- Publication Date
- 2000-12
- Publication Date (W3CDTF)
- 2000-12
- Alternative Title
- Analysis and solution of numerical inconsistency in numerical computations
- Periodical title
- 航空宇宙技術研究所特別資料
- No. or year of volume/issue
- 46
- Volume
- 46
- Pages
- 319-324
- ISSN (Periodical Title)
- ISSN : 0289-260X
- Text Language Code
- jpn
- Subject Heading
- Target Audience
- 一般
- Note (General)
- 航空宇宙技術研究所 7-9 Jun. 2000 東京 日本National Aerospace Laboratory 7-9 Jun. 2000 Tokyo JapanNowadays the method of Computational Fluid Dynamics (CFD) is widely used for solving various problems in science and engineering fields. Difference approximation is a popular method for the CFD. Many works have been done for the theory and application of the difference approximation, and various difference schemes have been developed to improve the quality and reliability of computations. But there still remain a few problems in the quality or reliability of numerical results obtained by the difference methods. Some of the problems happen even if the difference approximation might converge to the entropy solution (i.e., the physically relevant unique solution). Such problems are really numerical, and can be analyzed only when it is recognized that a practical computation is conducted with the difference increments fixed finite values, but not with those tending to zero. Here it is concerned with such problems of numerical behaviors. Some results obtained from the analysis related with the Oleinik's E-condition are shown. Then some future problems are proposed.資料番号: AA0028635057レポート番号: NAL SP-46
- Access Restrictions
- インターネット公開
- Periodical Title (NCID)
- AN10097345
- Data Provider (Database)
- 国立情報学研究所 : 学術機関リポジトリデータベース(IRDB)(機関リポジトリ)
- Original Data Provider (Database)
- 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ