期刊文献+

非线性多自由度结构地震反应的共振特性与突变分析 被引量:2

Resonant property and catastrophe analyses of seismic response of multi-degree-of-freedom nonlinear structure
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摘要 由渐近解法,在主坐标中给出了非线性多自由度结构地震反应的渐近解,利用渐近解计算了共振区振幅-频率响应的一系列数值结果,进而分析了系统参数对共振区反应特性的影响及突变性质。地震反应中表现出来的突变性、共振畸变、"路径"效应等复杂的非线性特性,对结构系统的动力特性有重要影响。 The asymptotic solution of seismic response of multidegree of freedom nonlinear structure is derived by means of asymptotic method(KBM)in principal coordinate.A series of calculation results of amplitude-frequency in resonant area are presented,and the influence of parameters on properties of seismic response and catastrophe is analyzed.The nonlinear properties,such as catastrophe,resonant disortion and path effect have an important influence on dynamic performance of structure system. 
作者 房营光 曹洪
出处 《地震工程与工程振动》 CSCD 北大核心 2003年第5期69-74,共6页 Earthquake Engineering and Engineering Dynamics
基金 广东省自然科学基金资助项目(010054) 广东工业大学科研基金资助项目(202015 982020)
关键词 地震 地震响应 渐近解 突变 共振畸变 seismic response asymptotic solution catastrophe resonant distortion
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参考文献5

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共引文献35

同被引文献16

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