Abstract
A three-dimensional time-domain potential flow model is developed and applied to simulate the wave resonance in a gap between two side-by-side rectangular barges. A fourth-order predict-correct method is implemented to update free surface boundary conditions. The response of an up-wave barge is predicted by solving the motion equation with the Newmark-β method. Following the validation of the developed numerical model for wave radiation and diffraction around two side-by-side barges, the influence of up-wave barge motion on the gap surfaceresonance is investigated in two different locations of the up-wave barge relative to the back-wave barge at various frequencies. The results reveal that the freely floating up-wave barge significantly influences the resonance frequency and the resonance wave amplitude. Simultaneously, the up-wave barge located in the middle of the back-wave barge leads to a reduction in the resonance wave amplitude and motion response when compared with other configurations.
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Foundation item: The Research Innovation Foundation of Tianjin Research Institute for Water Transportation Engineering of China under contract No. TKS 170215; the Research Foundation of State Key Laboratory of Coastal and Offshore Engineering of Dalian University of Technology of China under contract No. TKS 170215.
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Jin, R., Ning, D., Bai, W. et al. The influence of up-wave barge motion on the water resonance at a narrow gap between two rectangular barges underwaves in the sea. Acta Oceanol. Sin. 37, 68–76 (2018). https://doi.org/10.1007/s13131-018-1334-x
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DOI: https://doi.org/10.1007/s13131-018-1334-x