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http://dx.doi.org/10.9765/KSCOE.2021.33.5.203

Numerical Reproducibility of Wave Response for an Oscillating Wave Surge Converter Using Inverted Triangle Flap  

Kim, Tag-Gyeom (SEIL ENGINEERING CO., LTD. Port & Coastal Development Institute)
Kim, Do-Sam (Dept. of Civil Engineering, Korea Maritime and Ocean University)
Cho, Yong-Hwan (Dept. of Civil Eng., Nagoya University)
Lee, Kwang-Ho (Dept. of Civil Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.33, no.5, 2021 , pp. 203-216 More about this Journal
Abstract
Analyzing various wave interactions with oscillating wave surge converters (OWSC) is essential because they must be operated efficiently under a wide range of wave conditions and designed to extract optimal wave energy. In the conceptual design and development stage of OWSC, numerical analysis can be a good alternative as a design tool. This study performed a numerical analysis on the behavioral characteristics of the inverted triangle flap against the incident waves using open source CFD to examine the essential behavioral attributes of OWSC. Specifically, the behavioral characteristics of the structure were studied by calculating the free water surface displacement and the flap rotation angle near the inverted triangular flap according to the change of the period under the regular wave conditions. By comparing and examining the numerical analysis results with the hydraulic model experiments, the validity of the analysis performed and the applicability in analyzing the wave-structure interactions related to OWSC was verified. The numerical analysis result confirmed that the hydrodynamic behavior characteristic due to the interactions of the wave and the inverted triangle flap was well reproduced.
Keywords
oscillating wave surge converter; wave energy; inverted triangle flap; open source CFD; fluid-structure interaction;
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Times Cited By KSCI : 1  (Citation Analysis)
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