CONSTRUCTION OF A THEORETICAL MODEL TO REALIZE ARBITRARY WATER LEVEL RISE IN A SELF-PROPELLED WAVEGUIDE CHANNEL
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- USUI Akihiro
- 大阪大学大学院工学研究科地球総合工学専攻
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- AOKI Shinichi
- 大阪大学大学院 工学研究科地球総合工学専攻
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- KAWASAKI Koji
- （株）ハイドロソフト技術研究所 研究開発センター
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- SUZUKI Tomohiro
- Flanders Hydraulics Research
Bibliographic Information
- Other Title
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- 自走式造波水路で任意の水位上昇を実現するための理論モデルの構築
- ジソウシキゾウハ スイロ デ ニンイ ノ スイイ ジョウショウ オ ジツゲン スル タメ ノ リロン モデル ノ コウチク
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Description
After the 2011 off the Pacific coast of Tohoku Earthquake, the necessity of tenacious coastal/harbor structure has been suggested. However, it's necessary to examine experimentally its performance to make it in practical use. In this study, we proposed a theoretical modeal to generate an arbitrary waveform by self-propelled wavemaker device. When the wave generating tank is not long enough, multiple reflection occurs between the wall and the wavemaker. The theoretical model considering multiple reflection between the wall and wavemaker was developed and compared with the target waveform. In this study, arbitrary water level rise by a self-propelled wavemaker was examined using CADMAS-SURF/3D which is combined with the immersed boundary method. As a result, the generated wave showed good aggrement with the target waveform by considering waveform deformation, average water depth change, change in wavemaker position and interaction between reflected wave from the wall and wavemaker.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 73 (2), I_1-I_6, 2017
Japan Society of Civil Engineers