摘要： 为准确地对深远海框架式养殖平台气隙性能进行预报，以某大型框架式养殖平台为研究对象，基于线性波浪绕射/辐射理论、莫里森方程理论和刚体运动学原理，采用频域方法进行气隙计算，分析了养殖平台细长结构杆件粘性效应、网衣粘性效应、扰动波面升高和定位系泊系统刚度等因素对气隙性能计算影响。结果显示：平台细长结构杆件和网衣的粘性效应会显著改善平台的垂向运动，使得平台气隙性能得到优化，气隙极值增大范围约0.3~1.0 m；扰动波面升高对框架式养殖平台的气隙性能存在显著影响，气隙极值增大范围约0.2~0.7 m、减小范围约0.3~1.6 m；定位系泊系统刚度对平台运动的约束会影响最终的气隙极值，气隙极值减小范围约0.1~0.4 m。研究表明：在进行框架式养殖平台气隙性能预报时，应合理考虑细长结构杆件粘性效应、网衣粘性效应、扰动波面升高和定位系泊系统刚度等因素。

关键词: 框架式养殖平台, 气隙性能, 绕射/辐射理论, 莫里森方程

Abstract: To accurately predict the air gap performance of offshore frame-type aquaculture platform, a frame-type aquaculture platform was selected as the research object. Based on linear wave diffraction/radiation theory, Morrison equation theory, and rigid body kinematics principles, frequency-domain method was employed to analyze air gap performance. The effects of viscous loads on structural slender members and nettings, disturbed wave surface elevation, position mooring system stiffness on air gap performance were analyzed. Key findings from comparative analysis include: viscous loads on structural slender members and nettings substantially improve platform motions and optimize air gap performance, with a decrease range of about 0.3-1.0 m; Disturbed wave surface elevation significantly affects the air gap performance of frame-type platforms, with an increase range of about 0.2-0.7 m and a decrease range of about 0.3-1.6 m; Position mooring system stiffness constrains platform motion and affects the air gap results, with a decrease range of about 0.1-0.4 m. The results emphasize that the effects of viscous loads on structural slender members and nettings, disturbed wave surface elevation, position mooring system stiffness should be considered reasonably in frame-type aquaculture platform air gap analysis.

Key words: frame type aquaculture platform, air gap, wave diffraction/radiation theory, morison equation