利用调谐质量阻尼器控制浮式生产储卸油系统的波致振动

IF 2.1 4区 工程技术 Q2 CONSTRUCTION & BUILDING TECHNOLOGY
Nilarghya Sarkar, Sanjukta Chakraborty, Aparna (Dey) Ghosh
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引用次数: 0

摘要

浮式生产储油卸油船(FPSO)在近海工业中的地位日益突出。浮式生产储油卸油船(FPSO)的设计通常具有风向标功能,因此有必要进行浪涌振动控制以保持船体稳定。由于浪涌振动的自然周期远高于输入波浪载荷的主要周期,因此高惯性装置(如调谐质量阻尼器(TMDI))而不是补充阻尼将是有效的。迄今为止,尚未对 FPSO 的这一概念进行研究。考虑到液体货物的相互作用,本文提出了在波力作用下 FPSO-TMDI 系统的频域公式。利用 Froude-Krylov 理论(经适当修改以考虑衍射效应),利用北海的现场数据获得了 FPSO 上的波力。使用遗传算法对不同储罐填充条件下的 TMDI 参数进行了优化。结果表明,TMDI 有潜力为控制 FPSO 的浪涌运动提供有效而稳健的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wave-induced vibration control of Floating production storage and offloading systems by tuned mass damper inerter
Floating production storage and offloading systems (FPSOs) are gaining prominence in the offshore industry. FPSOs are generally designed to weathervane, necessitating surge vibration control for station keeping. Since the natural period of surge vibration is far higher than the dominant period of the input wave load, instead of supplemental damping, a high inertial device, such as the tuned mass damper inerter (TMDI), would be effective. This concept has hitherto not been investigated for the FPSO. A frequency domain formulation of the FPSO-TMDI system under wave force, considering interaction of the liquid cargo is presented. Utilizing Froude-Krylov theory, suitably modified to account for diffraction effects, wave force on the FPSO is obtained using field data from North Sea. TMDI parameters are optimized using Genetic Algorithm under different tank-fill conditions. The results demonstrate that the TMDI holds potential in providing an effective and robust performance in controlling the surge motion of FPSOs.
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来源期刊
Advances in Structural Engineering
Advances in Structural Engineering 工程技术-工程:土木
CiteScore
5.00
自引率
11.50%
发文量
230
审稿时长
2.3 months
期刊介绍: Advances in Structural Engineering was established in 1997 and has become one of the major peer-reviewed journals in the field of structural engineering. To better fulfil the mission of the journal, we have recently decided to launch two new features for the journal: (a) invited review papers providing an in-depth exposition of a topic of significant current interest; (b) short papers reporting truly new technologies in structural engineering.
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