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Hydrodynamic properties of concentric arc-shaped structures in layered seawater
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Wei JIANG1, Chang-jie LI2, Fei LIN1, Jie XU2, Tao-lüe YANG3, Kai WANG4, Zhen-feng ZHAI5
Journal of Ship Mechanics | 2026, 30(2) : 192 - 203
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Journal of Ship Mechanics | 2026, 30(2): 192-203
• Hydrodynamics •
Hydrodynamic properties of concentric arc-shaped structures in layered seawater
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Wei JIANG1, Chang-jie LI2, Fei LIN1, Jie XU2, Tao-lüe YANG3, Kai WANG4, Zhen-feng ZHAI5
Affiliations
  • 1.China Datang Group Co., Ltd. Guangdong Branch, Guangzhou 510000, China
  • 2.Guangdong Datang International Chaozhou Power Generation Co., Ltd., Chaozhou 515700, China
  • 3.Southern Power Grid Technology Co., Ltd., Guangzhou 510020, China
  • 4.School of Ocean Engineering and Technology, Sun Yat-sen University, Zhuhai 519000, China
  • 5.Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China
Published: 2026-02-15 doi: 10.3969/j.issn.1007-7294.2026.02.002
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With the rapid development of offshore wind power industry, the protection of wind turbine foundations has become increasingly important in engineering practice. Based on wave diffraction theory in stratified waters, this paper employs the eigenfunction expansion method to derive analytical solutions for wave interaction with concentric arc-shaped structures. The dimensionless wave loads induced by surface wave and internal wave as well as the corresponding maximum wave elevation distributions are obtained. The results show that the double-layer arc structure exhibits superior wave attenuation performance compared to the single-layer configuration. In stratified fluids, the wave loads induced by surface wave and internal wave are of comparable magnitude, indicating that the influence of internal waves cannot be neglected. Parameters such as wave incident angle, water depth, porosity, arc angle, and radius ratio significantly affect wave loading characteristics. Proper selection of porosity and arc angle can further enhance wave attenuation performance and optimize construction costs.

layered seawater  /  surface wave and internal wave  /  eigenfunction expansion approach  /  wave diffraction
Wei JIANG, Chang-jie LI, Fei LIN, Jie XU, Tao-lüe YANG, Kai WANG, Zhen-feng ZHAI. Hydrodynamic properties of concentric arc-shaped structures in layered seawater[J]. Journal of Ship Mechanics, 2026 , 30 (2) : 192 -203 . DOI: 10.3969/j.issn.1007-7294.2026.02.002
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doi: 10.3969/j.issn.1007-7294.2026.02.002
  • Receive Date：2025-06-29
  • Online Date：2026-07-07
  • Published：2026-02-15
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  • Received：2025-06-29
Affiliations
    1.China Datang Group Co., Ltd. Guangdong Branch, Guangzhou 510000, China
    2.Guangdong Datang International Chaozhou Power Generation Co., Ltd., Chaozhou 515700, China
    3.Southern Power Grid Technology Co., Ltd., Guangzhou 510020, China
    4.School of Ocean Engineering and Technology, Sun Yat-sen University, Zhuhai 519000, China
    5.Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China
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https://castjournals.cast.org.cn/joweb/cblx/EN/10.3969/j.issn.1007-7294.2026.02.002
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