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《Journal of Vibration and Shock》 2007-08
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IMPROVED RITZ METHOD FOR SEISMIC RESPONSE ANALYSIS OF TALL BUILDING WITH DAMPERS

WU Xue-shu XIONG Xue-yu HUANG Ding-ye(Department of Building Engineering, Tongji University, Shanghai 200092, China)  
The improved Ritz method is introduced to analyze seismic response of tall building with passive energy dissipation devices, in which both load dependent Ritz vectors and frequency dependent Ritz vectors are put to use. The former vectors are generated by Lanczos algorithm, while the generation process of the later vectors is after eigenvalue shift according to the square of the predominant excitation frequency, though they are still formed by Lanczos algorithm. The cut-off criteria for Ritz vectors are also introduced. Then the Ritz vectors are employed to transform the dynamic equation from geometric coordinates to generalized Ritz coordinates. Since the damping of tall building with damper is non-proportional, dynamical equation transformed is in the coupling form. So pseudo-force method is employed to solve the coupled equation. Numerical example verifies the effectiveness of the proposed method for seismic analysis of tall building with damper.
【CateGory Index】: TU973.2
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【Citations】
Chinese Journal Full-text Database 4 Hits
1 Yu Ruifang(Beijing Laboratory of Earthquake Engineering and Structural Retrofit, Beijing University of Technology Beijing 100022)Zhou Xiyuan(Institute of Earthquake Engineering, China Academy of Building Research Beijing 100013);THEORETICAL AND NUMERICAL RESEARCH ON FORCED UNCOUPLING METHOD FOR SEISMIC RESPONSE OF NON-CLASSICALLY DAMPED LINEAR SYSTEM[J];工业建筑;2005-02
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Wang Changsheng;Zheng Huihua;Li Chongwen;Ma Shoulong;Hubei Key laboratory of Road Bridge and Structural Engineering,Wuhan University of Technology;;Analyze non-classical damping isolation structure by approximate decoupling in real spaces[J];华中科技大学学报(自然科学版);2015-01
2 ZHANG He;SINOPEC Engineering Cooperation;;Seismic Dynamic Analysis of Integrated Jacket Module for Production and Repair[J];海洋湖沼通报;2014-01
3 ZHANG Miao;YU Lan;JU Wei;College of Sciences,Changchun Institute of Technology;China FAW Group Corporation;;A new method for computing dynamic response of a damped linear system based on frequency response function matrix[J];振动与冲击;2014-04
4 ZHANG Shubing;WANG Jingquan;YIN Huiguang;Key Laboratory of C & PC Structures of China Ministry of Education,Southeast University;Xuzhou Institute of Technology;;Comparative study of two calculation methods for equivalent damping ratios of composite beams[J];建筑结构学报;2013-S1
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7 ZHANG Zhen-hao1,2,YANG Wei-jun1(1.School of Civil Engineering and Architecture,Changsha University of Science and Technology,Changsha 410076,China; 2.Hunan Province Research Center for Safety Control Technology and Equipment of Bridge Engineering, Changsha University of Science & Technology,Changsha 410076,China);Development and research summary on structural dynamic reliability theory[J];空间结构;2012-04
8 Liu Xin Liu Weiqing Wan Shuguang Du Dongsheng(College of Civil Engineering,Nanjing University of Technology,Nanjing 211816,China);Shaking table test of damping ratio of strengthening-adding-story isolation structures[J];东南大学学报(自然科学版);2012-06
9 LIN Li-xia,DING Nan-hong,ZHANG Yuan-hai,WU Ya-ping (School of Civil Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China);Seismic response analysis of double chains suspension bridge considering modified damping value[J];铁道科学与工程学报;2012-05
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【Secondary Citations】
Chinese Journal Full-text Database 6 Hits
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