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针对浮式海洋平台垂荡而引发立管拉压屈曲这一安全隐患，本研究深入探究了立管张紧器对系统动力特性的补偿机制。具体而言，通过建立浮式平台-立管张紧器-立管耦合系统的动力学模型，采用水动力分析获取平台运动参数，并结合数值积分法求解立管的动态响应，然后基于多体动力学模型来量化平台多自由度耦合对张紧器性能的影响。研究结果表明：在平台多自由度耦合下，立管张紧器能有效补偿60%～70%的平台升沉，显著提高浮式海洋平台-立管张紧器-立管系统的稳定性与安全性。
Abstract：Aiming at the potential safety hazard of tension-compression buckling of riser caused by heave motion of floating offshore platform, the compensation mechanism of riser tensioner for system dynamic characteristics is studied. By establishing the dynamic model of the floating platform-riser tensioner-riser coupling system, the motion parameters of the platform are obtained by hydrodynamic analysis, and the dynamic response of the riser is solved by numerical integration method. Based on the multi-body dynamics model, the influence of the multi-degree-of-freedom coupling motion of the platform on the performance of the tensioner is quantified. The results show that the riser tensioner can effectively compensate 60%～70% of the platform heave motion under the multi-degree-of-freedom coupling motion of the platform, and significantly improve the stability and safety of the floating offshore platform-riser tensioner-riser system.
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基本信息:
DOI：10.16441/j.cnki.hdxb.20250045
中图分类号:P75
引用信息:
[1]刘金海,刘永城,周志鹏,等.浮式海洋平台-立管张紧器-立管系统的动力学分析[J].中国海洋大学学报(自然科学版),2026,56(04):156-166.DOI:10.16441/j.cnki.hdxb.20250045.
基金信息:
博士后面上项目(2023M733340); 西海岸校长基金项目(XZJJ-2024207)资助~~
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