混合控制结构的多维动力分析与优化设计
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摘要
为了改善滑移隔震结构的减震效果,并研究双向耦合地震作用对减震效果的影响。提出3种磁流变阻尼器(MRD)与滑移隔震混合方案,建立双向耦合地震作用下MRD与滑移隔震混合控制结构的动力分析模型,对6层MRD与滑移隔震混合控制结构进行地震反应分析。结果表明3种混合方案在不同工况荷载作用下的相对加速度峰值、相对速度峰值、相对位移峰值和层间剪力峰值分别比滑移隔震结构有不同程度的降低。当考虑竖向地震作用的存在时,随着竖向地震作用的增大,结构的地震反应有小幅度的增加,但各混合方案在各种工况下的各项地震反应均得到较好的控制,而混合方案3的控制效果更加明显。建立MRD与滑移隔震混合控制结构优化设计模型,采用IHGA程序对混合方案3进行优化设计。结果表明,MRD与滑移隔震混合控制结构的各项地震反应均得到更好的控制。
In order to improve the effect of shock absorption of sliding base-isolated structures, and to study the influence of the coupled action of earthquake in both horizontal and vertical directions on vibration control structures, three types of hybrid schemes with magnetorheological damper (MRD) and sliding base-isolation are proposed. The theory of hybrid structure with MRD and sliding base-isolation under the coupled action of earthquakes in both horizontal and vertical directions is studied. A dynamic analysis model for hybrid structures is formulated, and the kinematic differential equation developed. Seismic response analysis of a 6-storey hybrid structure with MRD and sliding base-isolation is carried out. Comparison of the results of dynamic analysis indicates that various seismic responses of the three hybrid schemes with MRD and sliding base-isolation under various loading conditions have better control than sliding isolated structures, and that the third hybrid scheme is the best. An optimal model for hybrid structure with MRD and sliding base-isolation is established to optimize the control on the various earthquake responses of hybrid structures with MRD and sliding base-isolation.
In order to improve the effect of shock absorption of sliding base-isolated structures, and to study the influence of the coupled action of earthquake in both horizontal and vertical directions on vibration control structures, three types of hybrid schemes with magnetorheological damper (MRD) and sliding base-isolation are proposed. The theory of hybrid structure with MRD and sliding base-isolation under the coupled action of earthquakes in both horizontal and vertical directions is studied. A dynamic analysis model for hybrid structures is formulated, and the kinematic differential equation developed. Seismic response analysis of a 6-storey hybrid structure with MRD and sliding base-isolation is carried out. Comparison of the results of dynamic analysis indicates that various seismic responses of the three hybrid schemes with MRD and sliding base-isolation under various loading conditions have better control than sliding isolated structures, and that the third hybrid scheme is the best. An optimal model for hybrid structure with MRD and sliding base-isolation is established to optimize the control on the various earthquake responses of hybrid structures with MRD and sliding base-isolation.
引文
[1]李宏男,李宏宇,董松员.基于模糊神经网络系统的结构主动控制[J].沈阳建筑大学学报(自然科学版),2005,21(2):99-102(Li Hongnan,Li Hongyu,Dong Songyuan.Active control of structures using fuzzy neural network[J].Journal ofShenyang Jianzhu University(Natural Science),2005,21(2):99-102(in Chinese))
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[6]Ribakov Y,Gluck J.Active control of MDOF structures with supplemental electrorheological fluid damper[sJ].Earthquake Engineering and Structural Dynamics,1999,28(2):143-156
[7]张延年,刘剑平,刘斌.多向地震耦合作用下MRD结构的地震反应分析[J].东北大学学报(自然科学版),2005,26(9):897-900(Zhang Yannian,Liu Jianping,Liu Bin.Seismic responses of MRD configuration under coupling action of multi-directional earthquake[J].Journal of Northeastern University(Natural Science),2005,26(9):897-900(in Chinese))
[8]Toshihiko S,Tomoya S,Shin M.Design and performance verification of variable damper using MR fluid[J].American Society of Mechanical Engineers,Dynamic Systems and Control Division(Publication)DSC,2003,72(2):989-994
[9]Yang G Q,Spencer Jr Billie,Jung Hyung-Jo,et al.Dynamic modeling of large-scale magnetro-rheological damper systems for civil engineering applications[J].Journal of Engineering Mechanics,2004,130(9):1107-1114
[10]Xia P Q.An inverse model of MR damper using optimal neural network and system identification[J].Journal of Sound and Vibration,2003,266(5):1009-1023
[11]Atray V S,Roschke P N.Neuro-fuzzy control of railcar vibrations using semi active dampers[J].Computer-Aided Civil and Infrastructure Engineering,2004,(19)2:81-92
[12]张延年.土木工程结构广义混合振动控制及其优化研究[D].沈阳:东北大学,2005(Zhang Yannian.Civil engineeringstructure generalized hybrid vibration control and its optimization[D].Shenyang:Northeastern University,2005(in Chinese))
[13]周云,徐龙河,李忠献.磁流体阻尼器半主动控制结构的地震反应分析[J].土木工程学报,2001,34(5):10-14(Zhou Yun,Xu Longhe,Li Zhongxian.Seismic responses of semi-active control using magnetro-rheological fluid dampers[J].China Civil Engineering Journal,2001,34(5):10-14(in Chinese))
[14]张延年,刘斌,朱朝艳.工程结构优化设计的改进混合遗传算法[J].吉林大学学报(工学版),2005,35(1):65-69(Zhang Yannian,Liu Bin,Zhu Chaoyan.Improved hybrid genetic algorithm for optimum design of engineering structures[J].Journal of Jilin University(Engineering and Technology Edition),2005,35(1):65-69(in Chinese))
[15]张延年,刘斌,郭鹏飞.混合遗传算法在工程结构优化设计中的应用[J].工业建筑,2005,35(3):23-26(Zhang Yannian,Liu Bin,Guo Pengfei.Application of hybrid genetic algorithm to optimum design of engineering structures[J].Industrial Construction,2005,35(3):23-26(in Chinese))
[16]张延年,刘斌,郭鹏飞.基于混合遗传算法的建筑结构优化设计[J].东北大学学报(自然科学版),2003,24(10):990-993(Zhang Yannian,Liu Bin,Guo Pengfei.Hybrid genetic algorithm for optimum design of building structures[J].Journal of Northeastern University(Natural Science),2003,24(10):990-993(in Chinese))
[17]张延年,刘剑平,刘斌.改进单向搜索遗传算法的工程结构优化设计[J].力学季刊,2005,26(2):293-298(Zhang Yannian,Liu Jianping,Liu Bin.Improved unidirectional searching genetic algorithm for optimum design of engineering structures[J].Chinese Quarterly Mechanics,2005,26(2):293-298(in Chinese))
[18]张延年,刘斌,董锦坤.改进遗传算法在建筑结构优化设计中的应用[J].东北大学学报(自然科学版),2004,25(7):692-694(Zhang Yannian,Liu Bin,Dong Jinkun.Application of improved genetic algorithm in optimum design of building structures[J].Journal of Northeastern University(Natural Science),2004,25(7):692-694(in Chinese))
[19]张延年,刘斌,朱朝艳.离散变量优化设计的改进斐波那契遗传算法[J].机械强度,2006,28(1):55-60(Zhang Yannian,Liu Bin,Zhu Chaoyan.Improved Fibonacci genetic algorithm for structural optimization with discrete variables[J].Journal of Mechanical Strength,2006,28(1):55-60(in Chinese))
[2]Masashi Iura,Kunihito Matsui.Analytical expressions for three different modes in harmonic motion of sliding structures[J].Earthquake Engineering&Structural dynamics,1992,21(9):757-769
[3]张延年,李宏男.双向耦合地震作用下滑移隔震结构振动控制及其优化研究[J].地震工程与工程振动,2007,27(1):1-6(Zhang Yannian,Li Hongnan.Seismic responses of sliding base-isolated structure under bidirectional coupling earthquake and its optimization[J].Journal of Earthquake Engineering and Engineering Vibration,2007,27(1):1-6(in Chinese))
[4]张延年,刘剑平,李艺,等.双向耦合地震作用下的混合控制结构研究[J].沈阳建筑大学学报,2006,22(1):1-5(Zhang Yannian,Liu Jianping,Li Yi.Structural hybrid vibration control with MRD and sliding base-isolation under coupling effect of bi-directional earthquake[J].Journal of Shenyang Jianzhu University(Natural Science),2006,22(1):1-5(in Chinese))
[5]张延年,刘斌,李艺.MRD阻尼器与LRB相混合的结构振动控制[J].东北大学学报(自然科学版),2006,27(1):95-98(Zhang Yannian,Liu Bin,Li Yi.Hybrid control of MRD damper and LRB for structural vibration[J].Journal ofNortheastern University(Natural Science),2006,27(1):95-98(in Chinese))
[6]Ribakov Y,Gluck J.Active control of MDOF structures with supplemental electrorheological fluid damper[sJ].Earthquake Engineering and Structural Dynamics,1999,28(2):143-156
[7]张延年,刘剑平,刘斌.多向地震耦合作用下MRD结构的地震反应分析[J].东北大学学报(自然科学版),2005,26(9):897-900(Zhang Yannian,Liu Jianping,Liu Bin.Seismic responses of MRD configuration under coupling action of multi-directional earthquake[J].Journal of Northeastern University(Natural Science),2005,26(9):897-900(in Chinese))
[8]Toshihiko S,Tomoya S,Shin M.Design and performance verification of variable damper using MR fluid[J].American Society of Mechanical Engineers,Dynamic Systems and Control Division(Publication)DSC,2003,72(2):989-994
[9]Yang G Q,Spencer Jr Billie,Jung Hyung-Jo,et al.Dynamic modeling of large-scale magnetro-rheological damper systems for civil engineering applications[J].Journal of Engineering Mechanics,2004,130(9):1107-1114
[10]Xia P Q.An inverse model of MR damper using optimal neural network and system identification[J].Journal of Sound and Vibration,2003,266(5):1009-1023
[11]Atray V S,Roschke P N.Neuro-fuzzy control of railcar vibrations using semi active dampers[J].Computer-Aided Civil and Infrastructure Engineering,2004,(19)2:81-92
[12]张延年.土木工程结构广义混合振动控制及其优化研究[D].沈阳:东北大学,2005(Zhang Yannian.Civil engineeringstructure generalized hybrid vibration control and its optimization[D].Shenyang:Northeastern University,2005(in Chinese))
[13]周云,徐龙河,李忠献.磁流体阻尼器半主动控制结构的地震反应分析[J].土木工程学报,2001,34(5):10-14(Zhou Yun,Xu Longhe,Li Zhongxian.Seismic responses of semi-active control using magnetro-rheological fluid dampers[J].China Civil Engineering Journal,2001,34(5):10-14(in Chinese))
[14]张延年,刘斌,朱朝艳.工程结构优化设计的改进混合遗传算法[J].吉林大学学报(工学版),2005,35(1):65-69(Zhang Yannian,Liu Bin,Zhu Chaoyan.Improved hybrid genetic algorithm for optimum design of engineering structures[J].Journal of Jilin University(Engineering and Technology Edition),2005,35(1):65-69(in Chinese))
[15]张延年,刘斌,郭鹏飞.混合遗传算法在工程结构优化设计中的应用[J].工业建筑,2005,35(3):23-26(Zhang Yannian,Liu Bin,Guo Pengfei.Application of hybrid genetic algorithm to optimum design of engineering structures[J].Industrial Construction,2005,35(3):23-26(in Chinese))
[16]张延年,刘斌,郭鹏飞.基于混合遗传算法的建筑结构优化设计[J].东北大学学报(自然科学版),2003,24(10):990-993(Zhang Yannian,Liu Bin,Guo Pengfei.Hybrid genetic algorithm for optimum design of building structures[J].Journal of Northeastern University(Natural Science),2003,24(10):990-993(in Chinese))
[17]张延年,刘剑平,刘斌.改进单向搜索遗传算法的工程结构优化设计[J].力学季刊,2005,26(2):293-298(Zhang Yannian,Liu Jianping,Liu Bin.Improved unidirectional searching genetic algorithm for optimum design of engineering structures[J].Chinese Quarterly Mechanics,2005,26(2):293-298(in Chinese))
[18]张延年,刘斌,董锦坤.改进遗传算法在建筑结构优化设计中的应用[J].东北大学学报(自然科学版),2004,25(7):692-694(Zhang Yannian,Liu Bin,Dong Jinkun.Application of improved genetic algorithm in optimum design of building structures[J].Journal of Northeastern University(Natural Science),2004,25(7):692-694(in Chinese))
[19]张延年,刘斌,朱朝艳.离散变量优化设计的改进斐波那契遗传算法[J].机械强度,2006,28(1):55-60(Zhang Yannian,Liu Bin,Zhu Chaoyan.Improved Fibonacci genetic algorithm for structural optimization with discrete variables[J].Journal of Mechanical Strength,2006,28(1):55-60(in Chinese))
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