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Investigation on Effects of Vertical Degree of Freedom on Gap Resonance Between Two Side-by-Side Boxes Under wave Actions

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China Ocean Engineering 2022年第3期36卷 403-412页

作者： HE Zhi-wei GAO Jun-liang SHI Hua-bin ZANG Jun CHEN Hong-zhou LIU Qian School of Naval Architecture and Ocean Engineering Jiangsu University of Science and TechnologyZhenjiang 212100China State Key Laboratory of Internet of Things for Smart City and Department of Civil and Environmental Engineering University of MacaoMacao 999078China Centre for Infrastructure Geotechnical and Water Engineering(IGWE)Department of Architecture and Civil Engi-neeringUniversity of BathBA27AYUK School of Civil Engineering and Architecture Northeast Electric Power UniversityJilin 132012China

The possible wave resonance in the narrow gap formed by the parallel arrangement of ships will lead to the sharp increase of wave loads and the rapid growth of motion *** fluid resonance inside a narrow gap between two side-by-side boxes is investigated numerically based on an open-source CFD package,*** upstream box remains fixed,while the downstream box is allowed to heave freely under wave *** work aims to examine the influence of the motion of the downstream box on the fluid resonant behaviors inside the *** hydrodynamic behaviors considered include the wave height inside the gap,the heave displacement,and the reflection,transmission,and energy loss *** et al.(2021)reported the influence of the motion of the upstream box on gap resonant *** comparative study,some results of Gao et al.(2021)are also presented in this *** is found that the heave motion of any box in the two-box system leads to a smaller resonant wave height amplification and a larger fluid resonance *** frequency at which the maximum heave displacement of the downstream box occurs is less than the fluid resonant *** heave motion of any box in the two-box system results in a larger reflection coefficient and a smaller energy loss coefficient.

关键词： gap resonance wave height amplification heave motion OpenFOAM

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