基于最优参数组合的水平结构MTMD竖向减振优化设计

韩智凡; 汪新

doi:10.3724/j.gyjzG23061103

基于最优参数组合的水平结构MTMD竖向减振优化设计

doi: 10.3724/j.gyjzG23061103

韩智凡¹,
汪新^1,2, ,

1. 广东理工学院建设学院, 广东肇庆 526000;
2. 广东工业大学土木与交通工程学院, 广州 510006

基金项目:

广东省普通高校特色创新类项目（2022KTSCX169）；广东省普通高校青年创新人才类项目（2019KQNCX233）；广东理工学院重点培育科技项目（2022GKJZD006）。

详细信息

作者简介:
韩智凡，硕士，副教授，主要从事结构振动控制研究，hanzfhanzf@163.com。

通讯作者:
汪新，博士，教授，主要从事结构工程、风工程研究，xinwang@gdut.edu.cn。

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- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2023-06-11
- 网络出版日期: 2024-05-29

Optimal Design of MTMD Vertical Vibration-Reduction for Horizontal Structures Based on the Combination of Optimal Parameters

HAN Zhifan¹,
WANG Xin^{1,2
, ,}

1. Construction Institute, Guangdong Technology College, Zhaoqing 526000, China;
2. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China

摘要

摘要: MTMD系统的减振效果取决于调谐质量阻尼器（TMD）参数和布置位置的优化。针对大型楼盖、空中连廊等水平结构的竖向振动控制问题，建立了水平结构的MTMD竖向减振系统优化设计方法；该方法包含以下两个步骤： 1）基于有阻尼单自由度结构–TMD动力系统的频域解推导出TMD最优减振参数组合计算方法； 2）由竖向参振质量选择目标控制振型并通过最大振型位移确定TMD布置位置。分析结果表明：该方法简单实用、计算效率高，在MTMD总质量仅为主结构质量0.5%的情况下，对不同步频的人行荷载激励均能达到理想的竖向减振效果。
- 水平结构 /
- 竖向振动控制 /
- MTMD /
- 优化设计
Abstract: The vibration-reduction effect of the MTMD system depends on the optimization of both Tuned Mass Damper (TMD) parameters and its arrangement. For the vertical vibration control of horizontal structures including large floors and aerial corridors, an optimal design method of the MTMD vibration-reduction system, which consists of the following two steps, was proposed: 1) the optimal parameters of TMD were derived from the frequency domain solution for a damped single degree of freedom structure with TMD; 2) each target-mode was extracted according to the dominated participated-mode-mass, and the TMDs with optimal parameters were arranged where the greatest mode-displacement appeared. The results showed that the method was simple, practical, and had high calculation efficiency. For pedestrian load excitations with different frequencies, the ideal vertical vibration-reduction effect could be achieved when the mass of MTMD was only 0.5% to that of the main structure.
- horizontal structure /
- vertical vibration control /
- MTMD /
- optimal design

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参考文献(23)

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