書誌事項
- タイトル別名
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- Unstructured Hybrid Moving-Grid Finite-Volume Method for a Flow Around a Pitching Airfoil(Fluids Engineering)
- 振動する翼周りの流れに対するハイブリッド型非構造移動格子有限体積法
- シンドウスル ツバサ マワリ ノ ナガレ ニ タイスル ハイブリッドガタ ヒコウゾウ イドウ ゴウシ ユウゲン タイセキホウ
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説明
Computing a flow around a pitching airfoil, the unstructured moving-grid finite-volume method is developed in this paper. The method has been proposed for various moving boundary problems. However, it is limited for compressible inviscid flows. In the case of calculating a viscous flow at high Reynolds number as a flow around a pitching airfoil, it is necessary to solve a boundary layer. So, a hybrid gird system of a prismatic mesh for boundary layer region and tetrahedral mesh for other regions is suitable. In this paper, the unstructured hybrid moving-grid finite-volume method is formulated in four dimensional space-time unified domain to satisfy a geometric conservation law on such a moving grid in addition to satisfy a physical conservation law. The method is apply to a flow around a pitching NACA0012 airfoil, then the results show that the method is effective for a high Reynolds number viscous flow around a moving body.
収録刊行物
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- 日本機械学会論文集Ｂ編
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日本機械学会論文集Ｂ編 75 (750), 213-218, 2009
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390282681239534080
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- NII論文ID
- 110007113681
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
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- NDL書誌ID
- 10188280
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- 本文言語コード
- ja
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- 資料種別
- journal article
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- データソース種別
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- 使用不可
