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Study on the interaction between solitary waves and the non-submerged marine structures based on the SPH model
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Jinbo Lin1, Hongfei Mao1, *, Zhenglin Tian1, Ran Ji2
Haiyang Xuebao | 2022, 44(6) : 116 - 127
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Haiyang Xuebao | 2022, 44(6): 116-127
• Article •
Study on the interaction between solitary waves and the non-submerged marine structures based on the SPH model
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Jinbo Lin1, Hongfei Mao1, *, Zhenglin Tian1, Ran Ji2
Affiliations
  • 1. College of Ocean Engineering, Guangdong Ocean University, Zhanjiang 524088, China
  • 2. Maritime College, Guangdong Ocean University, Zhanjiang 524088, China
Published: 2022-05-25 doi: 10.12284/hyxb2022045
Outline
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To investigate the characteristics of the flow field around non-submerged structures under solitary waves, a numerical model of the interaction between solitary waves and marine structures is established based on the meshless SPH method. By calculating and analyzing the characteristics of the wave surface, velocity, vorticity, and structure force under different amplitude solitary waves, the influence of relative wave height on the flow field around the non-submerged structure was explored. The results show that the flow field characteristics are closely related to the relative wave height. With a little relative wave height, the wave surface, velocity, vorticity, and structure force are smooth while the flow field fluctuate around the structure due to that the wave crest climbs to the top of the structure and collide with the water in the tank after passing the structure when the relative wave height is large than 0.2. The fluctuation amplitude of wave surface, velocity, vorticity and structure force increased with the increase of relative wave height, resulting in a more complex flow field. Meanwhile, the horizontal and vertical negative force of the structure are larger, the distribution of vorticity around the structure gradually develops to the depth and downstream direction.

solitary wave  /  non-submerged  /  SPH  /  numerical calculation
Jinbo Lin, Hongfei Mao, Zhenglin Tian, Ran Ji. Study on the interaction between solitary waves and the non-submerged marine structures based on the SPH model[J]. Haiyang Xuebao, 2022 , 44 (6) : 116 -127 . DOI: 10.12284/hyxb2022045
Funding
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  • National Natural Science Foundation of China(52001071)
  • Marine Youth Talent Innovation Project of Zhanjiang(2021E05009)
  • Non-funded Science and Technology Research Plan Project of Zhanjiang(2021B01160，2021B01033)
  • Research Start-up Fund Project of Guangdong Ocean University(060302072103，060302072003)
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Year 2022 volume 44 Issue 6
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Article Info
doi: 10.12284/hyxb2022045
  • Receive Date：2021-05-23
  • Online Date：2026-02-01
  • Published：2022-05-25
Article Data
Affiliations
History
  • Received：2021-05-23
  • Revised：2021-10-20
Funding
National Natural Science Foundation of China(52001071)
Marine Youth Talent Innovation Project of Zhanjiang(2021E05009)
Non-funded Science and Technology Research Plan Project of Zhanjiang(2021B01160，2021B01033)
Research Start-up Fund Project of Guangdong Ocean University(060302072103，060302072003)
Affiliations
    1. College of Ocean Engineering, Guangdong Ocean University, Zhanjiang 524088, China
    2. Maritime College, Guangdong Ocean University, Zhanjiang 524088, 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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