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Numerical simulation of wave impacting on vertical wall based on SPH method
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A-chao YU1, Qin-qin GUI1, Xue-jian DUAN2
Journal of Ship Mechanics | 2026, 30(3) : 352 - 362
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Journal of Ship Mechanics | 2026, 30(3): 352-362
• Hydrodynamics •
Numerical simulation of wave impacting on vertical wall based on SPH method
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A-chao YU1, Qin-qin GUI1, Xue-jian DUAN2
Affiliations
  • 1.Faculty of Maritime and Transportation, Ningbo University, Ningbo 315211, China
  • 2.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
Published: 2026-03-15 doi: 10.3969/j.issn.1007-7294.2026.03.002
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The interaction between waves and marine structures involves complex geometric boundaries, wave impacting, overtopping. To accurately simulate this complex phenomenon, DualSPHysics is employed to build a numerical wave flume based on Smoothed Particle Hydrodynamics (SPH), which is a grid-free particle method. In order to validate the accuracy of the model, regular waves are generated by a piston-type wavemaker. By analyzing the wave height with different particle spacing, the model was demonstrated that it can generate stable regular waves. Furthermore, the impact of regular waves on a vertical wall is simulated with the model. Under the action of wave impact and inertial force of the water, the pressure at different positions on the vertical wall shows the following characteristics: it quickly reaches the peak in a short time, then decreases, increases again, and finally decreases. The time series of pressure have a saddle shape. By comparing the wave shape and velocity field at the same time, it is found that the angle between the wave and the vertical wall, as well as the water head rise, are the main factors leading to this saddle-shaped pressure curve.

DualSPHysics  /  SPH method  /  wave impact  /  vertical wall structure
A-chao YU, Qin-qin GUI, Xue-jian DUAN. Numerical simulation of wave impacting on vertical wall based on SPH method[J]. Journal of Ship Mechanics, 2026 , 30 (3) : 352 -362 . DOI: 10.3969/j.issn.1007-7294.2026.03.002
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Year 2026 volume 30 Issue 3
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Article Info
doi: 10.3969/j.issn.1007-7294.2026.03.002
  • Receive Date：2025-02-12
  • Online Date：2026-07-07
  • Published：2026-03-15
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  • Received：2025-02-12
Affiliations
    1.Faculty of Maritime and Transportation, Ningbo University, Ningbo 315211, China
    2.State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
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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