PREDICTIONS AND CHARACTERISTICS OF DYKE BREACH FLOWS IN STRAIGHT AND MEANDERING CHANNELS
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- AKIYAMA Juichiro
- Department of Civil and Architectural Engineering, Faculty of Engineering, Kyushu Institute of Technology
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- SHIGE-EDA Mirei
- Department of Civil and Architectural Engineering, Faculty of Engineering, Kyushu Institute of Technology
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- OHBA Kouhei
- Department of Civil and Architectural Engineering, Graduate School of Engineering, Kyushu Institute of Technology
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- YAMAO Masato
- Department of Civil and Architectural Engineering, Graduate School of Engineering, Kyushu Institute of Technology
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- MONDEN Ryosuke
- Department of Civil and Architectural Engineering, Graduate School of Engineering, Kyushu Institute of Technology
Bibliographic Information
- Other Title
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- 直線・蛇行河道における破堤氾濫流の特性とその予測
Abstract
This study is concerned with breach discharge due to dyke breach for complete and submerged outflows in straight and meandering channels. Such breach characteristics as flow direction of breach flows, effective width of breach section were examined experimentally. Breach discharge and inundation flows were predicted by the numerical model that solves simultaneously flood flows in a channel and inundation flows in a flood plain with the dynamic inundation model, which comprises the finite volume method on unstructured grid using FDS technique. It shows that the model is capable of predicting both the breach discharge and inundation flows for complete or submerged outflows with good accuracy.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 68 (4), I_1021-I_1026, 2012
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390282680328993152
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- NII Article ID
- 130004557800
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- ISSN
- 2185467X
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed
