Numerical Simulation of Strong Wind Fields around Miyajima during Typhoon Songda in 2004
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- MARUYAMA Takashi
- Disaster Prevention Research Institute, Kyoto University
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- ISHIKAWA Hirohiko
- Disaster Prevention Research Institute, Kyoto University
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- UCHIDA Takanori
- Research Institute for Applied Mechanics, Kyusyu University
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- KAWAI Hiromasa
- Disaster Prevention Research Institute, Kyoto University
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- OHYA Yuji
- Research Institute for Applied Mechanics, Kyusyu University
Bibliographic Information
- Other Title
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- 台風0418号通過時の宮島周辺の強風場に関する数値シミュレーション
- タイフウ 0418ゴウ ツウカジ ノ ミヤジマ シュウヘン ノ キョウフウバ ニ カンスル スウチ シミュレーション
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Abstract
The strong wind fields around Miyajima in Hiroshima Bay were simulated numerically during Typhoon Songda in 2004. The PSU/MM5 model was used for the calculation of meso-scale regions. The strong wind that passed over the sea and blew into the Hiroshima Bay was simulated. The predicted wind fields were examined comparing with the observed records and the field investigation of damage to the houses and buildings. The calculated maximum wind speed map was well correlated to the distribution of damage rate by strong wind in Hiroshima Prefecture. Unsteady wind fields were also computed by Large Eddy Simulation in the fine region around Miyajima. The local wind characteristics caused by the topography around Itsukushima Shrine were investigated by using the calculated results. The down flow along the valley to the south of the shrine was simulated in the neutral atmospheric condition. The local wind flows around the shrine were discussed.
Journal
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- Journal of Wind Engineering
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Journal of Wind Engineering 31 (3), 95-104, 2006
Japan Association for Wind Engineering
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Details 詳細情報について
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- CRID
- 1390282680204732416
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- NII Article ID
- 10017535011
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- NII Book ID
- AN10072785
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- ISSN
- 09121935
- 1349340X
- 13493507
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- NDL BIB ID
- 8073501
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed