Passive vibration control of earthquake-excited buildings using multiple upgraded tuned liquid column dampers

IF 2.5 3区工程技术 Q2 MECHANICS

Archive of Applied Mechanics Pub Date : 2025-08-09 DOI:10.1007/s00419-025-02912-6

Hai-Le Bui, Ngoc-An Tran, Huong Quoc Cao

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引用次数: 0

Abstract

Upgraded Tuned Liquid Column Dampers (UTLCD) constituted by a Tuned Liquid Column Damper (TLCD) integrated into an undamped Tuned Mass Damper (TMD) have recently been introduced. A UTLCD is more efficient and straightforward than a traditional TMD in many aspects. In this paper, Multiple Upgraded Tuned Liquid Column Dampers (MUTLCD) are developed to control the vibration of buildings during earthquake loadings. Based on six different MUTLCD configurations proposed, analytical models of the building with each MUTLCD configuration are established. The Balancing Composite Motion Optimization, a potential and novel optimization algorithm, is used to search for the optimal parameters of each MUTLCD configuration based on the El Centro earthquake data. After that, the vibration control effectiveness of each optimal MUTLCD configuration is evaluated, and the best MUTLCD configuration is found. However, different earthquakes are characterized by different properties. Thus, each optimal MUTLCD configuration is also tested for different earthquakes. In addition, the influence of changes in the head-loss coefficient of UTLCDs is investigated for all MUTLCD configurations in various earthquakes. The obtained results in the present work show that most MUTLCD configurations are better than the single UTLCD case. The MUTLCD configuration with two different UTLCDs located on the top floor of the building offers the highest stability and efficiency under various earthquakes as well as changes in the physical properties of the UTLCD. The optimization approach in this study effectively identifies the most suitable MUTLCD configuration for the main structure.

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多层升级调谐液柱阻尼器对地震激发建筑物的被动振动控制

由调谐液柱阻尼器（TLCD）与无阻尼调谐质量阻尼器（TMD）集成而成的改进型调谐液柱阻尼器（UTLCD）是近年来推出的一种新型调谐液柱阻尼器。UTLCD在许多方面比传统的TMD更有效和直接。为了控制建筑物在地震荷载作用下的振动，本文研制了多层升级调谐液柱阻尼器（MUTLCD）。基于提出的六种不同的MUTLCD配置，建立了每种MUTLCD配置下建筑物的分析模型。基于El Centro地震数据，利用平衡复合运动优化算法（Balancing Composite Motion Optimization）寻找MUTLCD各配置的最优参数。然后，对各种最优MUTLCD结构的振动控制效果进行了评价，找到了最优MUTLCD结构。然而，不同的地震具有不同的特征。因此，每个最佳MUTLCD配置也针对不同的地震进行了测试。此外，还研究了在不同地震条件下，各种MUTLCD结构的水头损失系数变化对utlcd结构的影响。本工作的结果表明，大多数MUTLCD配置比单个UTLCD情况要好。位于建筑顶层的两个不同UTLCD的MUTLCD配置在各种地震以及UTLCD物理特性变化下提供了最高的稳定性和效率。本研究中的优化方法有效地确定了最适合主体结构的MUTLCD配置。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Archive of Applied Mechanics 物理-力学

CiteScore

4.40

自引率

10.70%

发文量

234

审稿时长

4-8 weeks

期刊介绍： Archive of Applied Mechanics serves as a platform to communicate original research of scholarly value in all branches of theoretical and applied mechanics, i.e., in solid and fluid mechanics, dynamics and vibrations. It focuses on continuum mechanics in general, structural mechanics, biomechanics, micro- and nano-mechanics as well as hydrodynamics. In particular, the following topics are emphasised: thermodynamics of materials, material modeling, multi-physics, mechanical properties of materials, homogenisation, phase transitions, fracture and damage mechanics, vibration, wave propagation experimental mechanics as well as machine learning techniques in the context of applied mechanics.