Numerical investigation of influence of wave directionality on the water resonance at a narrow gap between two rectangular barges

JIN Ruijia; TENG Bin; NING Dezhi; ZHAO Ming; CHENG Liang

doi:10.1007/s13131-017-1006-2

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Article Navigation > Acta Oceanologica Sinica > 2017 > 36(6): 104-111

JIN Ruijia, TENG Bin, NING Dezhi, ZHAO Ming, CHENG Liang. Numerical investigation of influence of wave directionality on the water resonance at a narrow gap between two rectangular barges[J]. Acta Oceanologica Sinica, 2017, 36(6): 104-111. doi: 10.1007/s13131-017-1006-2

Citation:

JIN Ruijia, TENG Bin, NING Dezhi, ZHAO Ming, CHENG Liang. Numerical investigation of influence of wave directionality on the water resonance at a narrow gap between two rectangular barges[J]. Acta Oceanologica Sinica, 2017, 36(6): 104-111. doi: 10.1007/s13131-017-1006-2

Citation:

JIN Ruijia, TENG Bin, NING Dezhi, ZHAO Ming, CHENG Liang. Numerical investigation of influence of wave directionality on the water resonance at a narrow gap between two rectangular barges[J]. Acta Oceanologica Sinica, 2017, 36(6): 104-111. doi: 10.1007/s13131-017-1006-2

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Numerical investigation of influence of wave directionality on the water resonance at a narrow gap between two rectangular barges

doi: 10.1007/s13131-017-1006-2

1.
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
2.
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;School of Computing, Engineering and Mathematics, Western Sydney University, Penrith, NSW 2751, Australia

Received Date: 2016-01-27
Rev Recd Date: 2016-03-25

Abstract

Abstract

A three-dimensional time-domain potential flow model with second-order nonlinearity was applied to simulate the wave resonance in a gap between two side-by-side rectangular barges. In the model, the velocity potential was decomposed into the incident potential and unknown scattered potential which was obtained by solving the boundary integral equation. The fourth-order predict-correct method was applied to enforce the free surface conditions in the time integration. The influence of the wave direction on the first and second-order gap surface elevations was investigated. The results reveal that the incident wave angle does not affect the resonant wave frequency and the maximum surface elevation at resonance always occurs at the middle location along the gap. However, the corresponding maximum wave surface elevation at resonance varies with the incident wave angle. The location of the maximum wave elevation shifts either upstream or downstream along the gap, depending on the relative magnitude of incident wave frequency to the resonant frequency.
- side-by-side barges,
- resonant elevation,
- second-order time-domain model,
- wave directionality,
- water resonance

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References(16)

References

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