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CFDにおけるスプライン関数の利用
https://jaxa.repo.nii.ac.jp/records/43364
https://jaxa.repo.nii.ac.jp/records/43364a8598c41-c28c-420a-8ab7-ddfdc8a2d63f
名前 / ファイル | ライセンス | アクション |
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nalsp0010035.pdf (346.5 kB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | CFDにおけるスプライン関数の利用 | |||||
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_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Use of Spline Functions in CFD | |||||
著者 |
児玉, 良明
× 児玉, 良明× Kodama, Yoshiaki |
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著者所属 | ||||||
運輸省船舶技術研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
Ship Research Center | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory(NAL) | |||||
書誌情報 |
航空宇宙技術研究所特別資料 en : Special Publication of National Aerospace Laboratory SP-10 巻 10, p. 209-214, 発行日 1989-11 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Spline functions are often used for interpolating discrete functions. Here the use of spline functions in various stages of CFD, i.e., grid generation, flow solver, and postprocessing is described. The simplest of the spline functions are cubic splines. With addition of tension, tension splines are defined. Addition of convection produces convection splines. Parametric bi-cubic splines are used to define body surface geometry. Then the grid points on the surface can be shifted arbitrarily along the surface to produce optimum body-surface grid. A scalar linear convection equation is computed using cubic splines. There the energy as well as momentum is conserved. In the postprocessing of the computed flow, it is sometimes necessary to interpolate values at arbitrary spatial locations. There the parametric multi-direction splines are used for interpolation. Multi-direction splines can also be used for streamline-tracing. Coordinate values and velocity vectors are interpolated, and a streamline is traced semi-analytically in the spline space. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: NALSP0010035 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL SP-10 |