| 粘滞和粘弹性阻尼器减震结构的随机响应特性 |
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| 引用本文： | 李创第,葛新广,陆运军.粘滞和粘弹性阻尼器减震结构的随机响应特性[J].应用力学学报,2011,28(3). |
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| 作者姓名： | 李创第 葛新广 陆运军 |
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| 作者单位： | 广西工学院,545006柳州 |
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| 基金项目： | 广西高校百名中青年学科带头人计划(RC20060814017); 广西自然科学基金(0481001); 广西科学基金(0575021); 广西教育厅科 |
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| 摘 要： | 利用积分型本构关系,针对带支撑任意线性粘滞和粘弹性阻尼器单自由度耗能结构,建立了微分和积分混合地震响应方程;基于随机平均分析法,推导出耗能结构振幅与相位瞬态联合概率密度函数、位移与速度瞬态联合概率密度函数、位移与速度瞬态响应方差、振幅动力可靠性、振幅首超时间任意阶统计矩的一般解析解;给出了带支撑广义Maxwell阻尼器和广义微分模型阻尼器耗能结构上述各种随机响应特性,从而建立了带支撑任意线性粘滞和粘弹性阻尼器单自由度减震结构的各种随机响应特性分析的统一解析解法。
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| 关 键 词： | 粘滞和粘弹性阻尼器 支撑 随机平均法 随机响应特性 减震结构 |
Random response characteristics of dissipation structures with viscousand viscoelastic dampers |
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| Li Chuangdi Ge Xinguang Lu Yunjun.Random response characteristics of dissipation structures with viscousand viscoelastic dampers[J].Chinese Journal of Applied Mechanics,2011,28(3). |
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| Authors: | Li Chuangdi Ge Xinguang Lu Yunjun |
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| Institution: | Li Chuangdi Ge Xinguang Lu Yunjun(Department of Civil Engineering,Guangxi Institute of Technology,545006,Liuzhou,China) |
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| Abstract: | By employing integral constitutive relations of dampers,the dynamic integro-differential earthquake response equation of SDOF dissipation structure with supporting brace and viscous and viscoelastic dampers in series is firstly established;By using stochastic averaging method,the analytical solutions of transient joint probability density function for structural amplitude and phase,for structural displacement and velocity are derived,the analytical solutions of transient mean-square values of structural dis... |
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| Keywords: | viscous and viscoelastic dampers brace stochastic averaging method random response characteristics seismic retrofitting structure |
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