設計における数値解析の活用について(その5): 陰的TVD法の改良と応用計算

Material type: 文書・図像類

Author: 嶋, 英志ほか

Publisher: 航空宇宙技術研究所

Publication date: 1987-11

Material Format: Digital

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Note (General)：: An automatic grid generator for multiple element airfoils was developed and the existing implicit TVD (Total Variation Diminishing) finite volume code...

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Material Type: 文書・図像類
Title: 設計における数値解析の活用について(その5): 陰的TVD法の改良と応用計算
Author/Editor: 嶋, 英志
吉田, 憲司
天野, 完一
Shima, Eiji
Yoshida, Kenji
Amano, Kan-ichi
Author Heading: 嶋, 英志
吉田, 憲司
天野, 完一
Shima, Eiji
Yoshida, Kenji
Amano, Kan-ichi
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1987-11
Publication Date (W3CDTF): 1987-11
Alternative Title: The Role of Computational Fluid Dynamics in Aeronautical Engineering (5) - Improvements and Applications of Implicit TVD Finite Volume Code -
Periodical title: 航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory SP-8
No. or year of volume/issue: 8
Volume: 8
Pages: 169-176
ISSN (Periodical Title): ISSN : 0289-260X
Text Language Code: jpn
Target Audience: 一般
Note (General): An automatic grid generator for multiple element airfoils was developed and the existing implicit TVD (Total Variation Diminishing) finite volume code was improved in both accuracy and efficiency, in order to make the Navier-Stokes solver a practical design tool for high lift devices. Utilizing these codes, Navier-Stokes analysis of the single slotted flap was carried out. The automatic grid generator utilizes the elliptic equation solver using the finite difference method combined with the panel method. The flow field is divided into subregions by the dividing stream lines which is calculated by the panel method and the computational grid in each subregion is generated by solving the elliptic equations (Thompson's method). Since the panel method can solve the potential flow around any number of arbitrary shaped bodies, this grid generator can generate a H-type computational grid around such bodies automatically. To obtain a high accuracy on a rapidly stretching grid, the flow solver uses the TVD formulation containing a explicit treatment of non-uniform grid spacing. Converging rate and numerical stability of the flow solver is augmented by the relaxation approach using Symmetric Point Gauss Seidel method in matrix inversion process which is necessary for an implicit scheme.
資料番号: NALSP0008023
レポート番号: NAL SP-8
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43276&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43276&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
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）
https://irdb.nii.ac.jp
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