Dynamic response analysis of the installation system during hoisting and mating phases using a floating vessel. Part Ⅱ: Application

IF 5.1 2区工程技术 Q1 ENGINEERING, CIVIL

Marine Structures Pub Date : 2025-05-20 DOI:10.1016/j.marstruc.2025.103856

Li Yin , Dongsheng Qiao , Pengfei Liu , Guoguang Sun , Guoqiang Tang , Lin Lu , Jinping Ou

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引用次数: 0

Abstract

The installation of large-scale wind turbine blades is a process characterized by cumbersome operating procedures, complex dynamic responses, and limited weather window. Accurate analysis and evaluation of the responses of the installation system throughout the hoisting and mating phases are crucial for providing effective guidance in offshore operations. However, most current research focuses on individual phases rather than the entire process. Therefore, based on the analysis model of the blade installation system established in Part I of this research, a systematic investigation of the dynamic responses of the entire hoisting and mating phases is conducted. The dynamic responses of the vessel, crane, and double pendulum system are analyzed under typical cases, revealing the characteristics of response amplification and frequency coupling. Moreover, oscillations of the blade and tensions in the suspension cable are evaluated under variable environmental conditions. During the hoisting phase, changes in the length of the suspension cable may cause the modal period of the double pendulum system to approach the periods of the environmental loads and natural periods of the vessel, leading to a significant amplification of the system responses. The oscillations of the blade during installation can be reduced by shortening the length of the suspension cable.

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浮船安装系统吊装与配合阶段的动态响应分析。Ⅱ部分：应用

大型风力发电机叶片的安装是一个操作程序繁琐、动态响应复杂、天气窗口有限的过程。准确分析和评估安装系统在整个吊装和配合阶段的响应对于为海上作业提供有效指导至关重要。然而，目前大多数研究都集中在单个阶段，而不是整个过程。因此，基于本研究第一部分建立的叶片安装系统分析模型，对整个提升和配合阶段的动力响应进行了系统的研究。分析了典型情况下船舶、起重机和双摆系统的动力响应，揭示了响应放大和频率耦合的特点。此外，叶片的振荡和悬索的张力在不同的环境条件下进行了评估。在吊装阶段，悬索长度的变化可能使双摆系统的模态周期接近于船舶的环境载荷周期和自然载荷周期，导致系统响应的显著放大。通过缩短悬索的长度，可以减少叶片在安装过程中的振荡。

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来源期刊

Marine Structures 工程技术-工程：海洋

CiteScore

8.70

自引率

7.70%

发文量

157

审稿时长

6.4 months

期刊介绍： This journal aims to provide a medium for presentation and discussion of the latest developments in research, design, fabrication and in-service experience relating to marine structures, i.e., all structures of steel, concrete, light alloy or composite construction having an interface with the sea, including ships, fixed and mobile offshore platforms, submarine and submersibles, pipelines, subsea systems for shallow and deep ocean operations and coastal structures such as piers.