海上柔直换流站上部组块的运输与浮托安装是工程建设的关键环节。基于OrcaFlex软件，对2种不同重量组块的拖航运输及浮托安装开展数值研究，分析驳船与组块的运动响应及对接装置的动力特性。结果表明：拖航阶段，重载荷工况下安装船纵摇、垂荡幅度及组块加速度波动更大；浮托安装中，组块横摇、纵摇及加速度随荷载转移阶段显著变化，且重载荷下LMU与护舷受力更大。研究建议工程设计优先选用较轻组块，较重组块可优化结构减重以降低受力风险。
The transportation and floatover installation of the topsides of the offshore VSC-HVDC converter station are key links in engineering construction. Based on the OrcaFlex software, a numerical study was conducted on the towing transportation and floatover installation of two topsides with different weights, and the motion response of the barge and the topsides and the dynamic characteristics of the docking device were analyzed. The results show that during the towing transportation stage, the pitch and heave amplitude of the barge and the topsides acceleration fluctuations are greater under the condition of the heavier topside; during the floatover installation, the topsides roll, pitch and acceleration change significantly with the load transfer stage, and the LMU and fenders are subjected to greater forces under the heavier topside. The study recommends that engineering design should give priority to the use of lighter topsides, and the heavier topsides can optimize the structure to reduce weight to reduce the risk of force.
2026,48(2): 65-73 收稿日期：2025-4-24
DOI：10.3404/j.issn.1672-7649.2026.02.011
分类号：U674.38
基金项目：国资委“揭榜挂帅”配套项目（NBWL202200582）
作者简介：吴冰洋(1992-),男,硕士,高级工程师,研究方向为新能源开发建设
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