为准确地分析非线性因素对深远海框架式养殖平台气隙性能的影响。以某座大型框架式养殖平台为研究对象，基于势流理论、莫里森方程理论和刚体运动学原理，采用时域方法进行数值模拟，分析了平台瞬时湿表面、二阶波浪载荷、定位系泊系统、风载荷和流载荷等因素对气隙性能的影响。结果显示，考虑平台瞬时湿表面变化使得平台最小气隙值减小0.4～0.8 m；90°浪向二阶波浪载荷使得平台最小气隙值减小0.2～0.4 m；定位系泊系统不同预张力状态下平台最小气隙差值范围在0.1～0.2 m；风、流载荷引起平台垂向运动改变使得最小气隙值发生变化。研究表明，在进行框架式养殖平台气隙性能预报时，应合理考虑瞬时湿表面、二阶波浪载荷、定位系泊系统和风流载荷等因素。
To accurately analyze the effects of nonlinear factors on the air gap performance of offshore frame-type aquaculture platform. A frame-type aquaculture platform was selected as the research object. Based on potential flow theory, Morrison equation theory and rigid body kinematics principles, time-domain method was employed to conduct numerical simulation. The effects of instantaneous wet surface, second-order wave loads, positioning mooring system, wind and current loads on air gap performance were analyzed. Key findings from results include: the minimum value of air gap is reduced by 0.4~0.8 m with considering the variations of instantaneous wet surface; the second-order wave loads in 90 ° wave direction reduce the minimum value of air gap by 0.2~0.4 m; the difference range of air gap minimum for positioning mooring systems with different pretension is 0.1~0.2 m; wind and current loads affect the minimum value of the air gap by changing the vertical movement of the platform. The results emphasize that the effects of instantaneous wet surface, second-order wave loads, positioning mooring system, wind and current loads should be considered reasonably in frame-type aquaculture platform air gap analysis.
2026,48(4): 48-54 收稿日期：2025-6-13
DOI：10.3404/j.issn.1672-7649.2026.04.008
分类号：U674.4；P751
基金项目：国家重点研发计划蓝色粮仓科技创新专项（2020YFD0901001）；浮式保障平台工程（三期）（《工信部装函〔2019〕357号》）；海上新能源装备技术研究与规范标准编制（CCS-2023-15）；海工新技术及规范标准研究（CCS-2023-30）
作者简介：韦斯俊(1988-),男,硕士,工程师,研究方向为海洋工程波浪载荷分析及结构优化设计
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