matlab高层建筑TMD风振响应分析仿真+文献综述
关键词 高耸建筑 TMD 复模态法 解耦
毕业设计说明书（论文）外文摘要
Title Wind Vibration Response Analysis of High-rise Building with TMD
Abstract
In recent years, with the increase height of buildings, the influence of the wind load on the building has been deeper and deeper. The wind resistant design has been an important issue in the design of high-rise building. Therefore，in this paper we analysed fluctuating wind load random response of the high-rise buildings with TMD device, this paper discusses the effects of TMD device parameters on the structure stochastic response, and lay a good foundation for the TMD system parameters optimization. Because of the classical damped of the equation, we cannot satisfy traditional real modal method of decoupling conditions, so we use the complex modal method and enlarge order method for the decoupling, getting the analytical solution of the equivalent wind spectrum corresponding structure stochastic wind vibration response. First we set up a reasonable model, then we use the software of matlab to finish a lot of the complex calculation, and to finish the calculation results data, draw the graphs. At last, we analyzed and summarized the result.
Keywords Tall buildings TMD Complex modal analysis method Decoupling
目 次
1 绪论 1
1．1 引言 1
1. 2 目前的研究方法 1
1. 3 调谐质量阻尼器 2
1．4 本次毕业设计所使用的软件─MATLAB 3
2 激励、系统模型 4
2．1 随机风速谱模型 4
2．2 系统模型的建立 6
3 复模态分析与共轭复指数随机激励情形 7
3. 1 复模态分析 7
3. 2 共轭复指数随机激励情形 10
4 问题的具体求解和程序的编写 13
4．1 具体解题过程 14
4．2 用MATLAB编写程序 18
5 算例求解 19
结论 30
致 谢 31
参 考 文 献 32
1 绪论
1．1 引言
风是构成室外环境的重要因素之一。近年来，随着建筑物高度的增加，风荷载对建筑物的影响已经越来越大。建筑风环境已经和热环境、声环境、光环境一样，越来越多地引起国内外科学家的重视，由风荷载引发的对建筑物的破坏行为也是屡见不鲜[1]。因此，抗风设计成为了高层建筑设计中的一个重要课题。
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