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Calculation of wave force and dynamic response analysis of offshore platforms based on the radial basis function
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Zhongyi Shu1, Jiqing Xu2, 3, *, Dengting Wang1
Haiyang Xuebao | 2024, 46(12) : 79 - 86
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Haiyang Xuebao | 2024, 46(12): 79-86
• Article •
Calculation of wave force and dynamic response analysis of offshore platforms based on the radial basis function
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Zhongyi Shu1, Jiqing Xu2, 3, *, Dengting Wang1
Affiliations
  • 1. Nanjing Hydraulic Research Institute, Nanjing 210024, China
  • 2. College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
  • 3. Key Laboratory of Water Resources and Water Transport Engineering, Ministry of Education, Technical Research Center for National Inland Waterway Regulation Engineering, Chongqing 400074, China
Published: 2024-12-31 doi: 10.12284/hyxb2024111
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In engineering practice, the Morison equation is commonly used to calculate wave loads on slender structures. Traditionally, the Morison equation for wave force calculation is often simplified, assuming the pile as a rigid body and neglecting the elastic deformation of the pile. By employing the Radial Basis Function (RBF), a mesh-free method, this study simultaneously solves the Morison equation, which considers pile elastic deformation, and the dynamic balance equation. This approach obtains the wave force and dynamic response of a single pile under wave load, and compares the results with those from standard methods and previous literature to validate its accuracy. Applying this method to actual engineering cases reveals the dynamic response of the working platform under the most unfavorable conditions. The RBF method is computationally straightforward and easy to master, making it suitable for practical engineering applications and providing a new direction for the calculation of offshore structures in the future.

radial basis function  /  nonlinear equation  /  Morison equation  /  the dynamic balance equation  /  emergency degree
Zhongyi Shu, Jiqing Xu, Dengting Wang. Calculation of wave force and dynamic response analysis of offshore platforms based on the radial basis function[J]. Haiyang Xuebao, 2024 , 46 (12) : 79 -86 . DOI: 10.12284/hyxb2024111
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Year 2024 volume 46 Issue 12
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Article Info
doi: 10.12284/hyxb2024111
  • Receive Date：2024-07-22
  • Online Date：2025-11-27
  • Published：2024-12-31
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History
  • Received：2024-07-22
  • Revised：2024-09-20
Funding
Affiliations
    1. Nanjing Hydraulic Research Institute, Nanjing 210024, China
    2. College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
    3. Key Laboratory of Water Resources and Water Transport Engineering, Ministry of Education, Technical Research Center for National Inland Waterway Regulation Engineering, Chongqing 400074, 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
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Genus		 种数
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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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