针对风载荷-吊装安全风险关系问题，应用三维建模软件建立了复杂的50000 DWT低碳环保型MR油轮上建分段几何模型，由于在上建起吊阶段，受风载荷作用的影响，其动态响应表现出不规则性，同时该阶段伴随持续的时间变化过程，所以运用计算流体力学、结构力学、流固耦合、有限元等基础理论与方法对上建分段起吊-悬空过程进行了非线性瞬态仿真；根据风力等级不同，进行了无风、1级风、2级风等8个工况的数值计算及分析。结果表明，在上建起吊-悬空过程中，吊排的变形与应力变化较为显著，随着风速的增加，变形和应力均显著增大，尤其在7级风速下，以变化最大的某处吊排为例，变形量与应力值较1～6级风速有显著提升，较6级风分别增加了约27.7%和30%，即大约10 mm和60 MPa。
To address the wind load-lifting safety risk relationship, a complex 50000 DWT low-carbon environmentally friendly MR tanker upper deck modeling geometric model was constructed using 3D modeling software, Since the dynamic response of the superstructure in the lifting stage, affected by the wind load, shows irregularity, and at the same time, this stage is accompanied by a continuous time-varying process, the nonlinear transient simulation of the superstructure segmental lifting-suspension process is carried out by using the basic theories and methods of computational fluid dynamics, structural dynamics, fluid-structure coupling, and finite elements; eight working conditions, such as no wind, class 1 wind, etc., according to the different wind levels, were taken into consideration and simulated and analyzed. Simulation and analysis were carried out. The results show that: During the superstructure lifting-suspension process, the deformation and stress of the hanging rows changed more significantly, and with the increase of wind speed, the deformation and stress increased significantly, especially at wind speed of class 7, the deformation and stress values were significantly increased compared with those of wind speeds of classes 1 to 6, and the values were increased by about 27.7% and 30% compared with those of class 6, i.e., about 10 mm and 60 MPa, respectively.
2025,47(20): 100-106 收稿日期：2024-11-11
DOI：10.3404/j.issn.1672-7649.2025.20.015
分类号：U661
基金项目：企业委托（21188007924）
作者简介：温小飞(1977-),男,副教授,研究方向为船舶建造技术
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