基于满意度原理的自立式高耸钢结构环形TLCD控制多目标优化设计

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Abstract

An optimal design method of the vibration control of self-standing high-rise steel structures is presented in this paper. Firstly, a ring shape Tuned Liquid Column Damper (TLCD) is designed according to the characteristics of the self-standing high-rise steel structure, also its mechanical model is presented, and then the dynamic equation of the high-rise structures with the ring shape TLCD is derived. Secondly, a composite satisfactory function, which can be used in the designation of structural control devices, is constructed using Sigmoid function and linear superposition methods, and a multi-objective optimal design method is established based on the satisfactory degree principle and pattern search method. Lastly, focusing on the designation of the wind-induced vibration control for a self-standing high-rise steel structure, a numerical case study is conducted by programming the method. In this study, the design variables are the geographic parameters of the ring shape TLCD, and the objective is the composite satisfactory function composed of the items related to the top displacement, mass ratio and windward area ratio. The study shows that the method can efficiently obtain a set of design parameters which can satisfy project requirements and the coefficients of variation of both the optimal parameters and the related objectives are all less than 0.1. Therefore, this is a method with high robustness, and the difficulty of choosing weight coefficients in multi-objective optimization is reduced.

Key words： High-rise structure Ring shaped TLCD Pattern search method Satisfactory degree Multi-objective optimization

Received: 03 December 2015 Published: 15 May 2017

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	Articles by authors
	Chen Xin1 Li Ai-qun2 Li Qicai1 Zhu Jiang3 An Weiwei3

Cite this article:

Chen Xin1 Li Ai-qun2 Li Qicai1 Zhu Jiang3 An Weiwei3. Multi-Objective Optimal Design for Ring Shaped TLCD Control of Self-standing High-rise Steel Structures Based on the Satisfactory Degree Principle[J]. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(10): 190-196.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2017/V36/I10/190

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