Optimization of semi-active tuned mass damper inerter for enhanced vibration control of jacket platforms using multi-objective optimization due to environmental load

IF 3.9 2区工程技术 Q1 ENGINEERING, CIVIL

Structures Pub Date : 2025-05-30 DOI:10.1016/j.istruc.2025.109305

Seyed Hossein Hosseini Lavassani, Rouzbeh Doroudi, Seyyed Ali Mousavi Gavgani

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引用次数: 0

Abstract

This study focuses on optimizing the vibration control of jacket platformsusing a semi-active tuned mass damper inerter (SATMDI) under the dynamic wave and wind loads. A Multi-Objective Observer-Teacher-Learner-Based Optimization (MOOTLBO) algorithm is employed to determine the optimal configuration of SATMDI dampers, addressing three main objectives: reducing the number of dampers, improving system performance (defined by five control indices), and minimizing the number of gears used. The proposed method is validated on the Ressalat platform, where numerical analysis reveals that the SATMDI system significantly reduces structural responses and dissipates energy effectively, even with fewer dampers compared to traditional systems. Results show that using a single optimized SATMDI damper with two gears offers the best performance in controlling vibrations while minimizing costs. The study also highlights the importance of optimal damper placement and gear configuration, demonstrating the system's ability to handle complex dynamic loads. This optimization approach not only enhances vibration mitigation but also reduces maintenance costs and extends the service life of offshore platforms.

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基于多目标优化的导管架平台半主动调谐质量阻尼器优化

采用半主动调谐质量阻尼器（SATMDI）对导管架平台在动波和风荷载作用下的振动控制进行优化研究。采用基于观察者-教师-学习者的多目标优化（MOOTLBO）算法确定SATMDI阻尼器的最佳配置，解决三个主要目标：减少阻尼器数量，提高系统性能（由五个控制指标定义），并最大限度地减少使用的齿轮数。该方法在Ressalat平台上得到了验证，数值分析表明，与传统系统相比，即使减震器较少，SATMDI系统也能显著降低结构响应并有效地耗散能量。结果表明，使用单个优化的双齿轮SATMDI阻尼器在控制振动方面具有最佳性能，同时降低了成本。该研究还强调了最佳阻尼器位置和齿轮配置的重要性，证明了系统处理复杂动态负载的能力。这种优化方法不仅增强了减振效果，还降低了维护成本，延长了海上平台的使用寿命。

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来源期刊

Structures Engineering-Architecture

CiteScore

5.70

自引率

17.10%

发文量

1187

期刊介绍： Structures aims to publish internationally-leading research across the full breadth of structural engineering. Papers for Structures are particularly welcome in which high-quality research will benefit from wide readership of academics and practitioners such that not only high citation rates but also tangible industrial-related pathways to impact are achieved.