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Numerical simulation of waves generated due to vertical motion of underwater shaking table
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Xiang YAN1, 2, Ling-fan LI1, Xiao-sheng WU3, Zhi-gang BAI1, 2, Zhi-peng ZANG1, 2, Han YANG1, 2
Journal of Ship Mechanics | 2025, 29(5) : 722 - 731
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Journal of Ship Mechanics | 2025, 29(5): 722-731
• Hydrodynamics •
Numerical simulation of waves generated due to vertical motion of underwater shaking table
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Xiang YAN1, 2, Ling-fan LI1, Xiao-sheng WU3, Zhi-gang BAI1, 2, Zhi-peng ZANG1, 2, Han YANG1, 2
Affiliations
  • 1.State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300072, China
  • 2.Key Laboratory of Comprehensive Simulation of Earthquake Engineering and Urban Rural Seismic Resilience, China Earthquake Administration, Tianjin 300072, China
  • 3.China Ship Scientific Research Center, Wuxi 214082, China
Published: 2025-05-20 doi: 10.3969/j.issn.1007-7294.2025.05.005
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The motion of an underwater shaking table will make waves in water. In this paper, a numerical tank including wave maker, wave absorber and underwater shaking table was established and validated. Waves made by the vertical harmonic motion of the underwater shaking table were investigated. The velocity, dynamic water pressure and wave factors were discussed. This study aims to provide reference testing in coupled earthquake-wave-current environment and eliminating tank wave disturbance. The results show that (1) the water velocity of the center of the underwater shaking table in vertical direction increases with the increase of the vertical moving amplitude and the length of the shaking table while the velocity decreases with the increase of the period of the shaking table; (2) the distribution of dynamic water pressure above the center of the underwater shaking table depicts a trend of “decrease-first, increase-second” in the water depth direction; (3) the dynamic water pressure increases with the increase of the vertical moving amplitude of the shaking table; (4) the wave height increases with the increase of the vertical moving amplitude of the shaking table, and decreases with the increase of water depth; (5) and the wave period increases with the increase of the period of the shaking table while the wave length increases with the increase of the period of the shaking table and the water depth.

underwater shaking table  /  vertical motion  /  wave making
Xiang YAN, Ling-fan LI, Xiao-sheng WU, Zhi-gang BAI, Zhi-peng ZANG, Han YANG. Numerical simulation of waves generated due to vertical motion of underwater shaking table[J]. Journal of Ship Mechanics, 2025 , 29 (5) : 722 -731 . DOI: 10.3969/j.issn.1007-7294.2025.05.005
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.05.005
  • Receive Date：2024-11-20
  • Online Date：2026-03-24
  • Published：2025-05-20
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  • Received：2024-11-20
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Affiliations
    1.State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300072, China
    2.Key Laboratory of Comprehensive Simulation of Earthquake Engineering and Urban Rural Seismic Resilience, China Earthquake Administration, Tianjin 300072, China
    3.China Ship Scientific Research Center, Wuxi 214082, China
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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