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Calculation Of Air Flow over Terrain With Obstacles Using Immersed Boundary Method in Curvilinear Coordinates
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- Senshuu Masanobu
- Ministry of Land Transportation and Infrastructure
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- Noda Hiroshi
- Sumitomo Mitsui Construction Company
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- Nakayama Akihiko
- Kobe University
Bibliographic Information
- Other Title
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- 曲線座標にIB法を用いた障害物のある地形上気流解析法
Description
An Immersed Boundary Method (IBM) has been incorporated in a finite-difference code to solve the air flow using the boundary-fitted general curvilinear coordinate system. In the present work IB method has been extended to be used in the boundary fitted coordinate system in order to represent complex objects on curving boundaries, such as undulating terrain with buildings and other objects. It is found that the IBM technique incorporated in a sigma-coordinate system in which the first coordinate follows the boundary representing the terrain and the second coordinate axis is taken in the straight vertical direction is most appropriate in both accuracy and efficiency, and is suited for calculating flow over topography with objects of various shapes.
Journal
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- PROCEEDINGS OF NATIONAL SYMPOSIUM ON WIND ENGINEERING
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PROCEEDINGS OF NATIONAL SYMPOSIUM ON WIND ENGINEERING 21 (0), 55-60, 2010
Japan Association for Wind Engineering
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Details 詳細情報について
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- CRID
- 1390282680570295936
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- NII Article ID
- 130005021447
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed