结构振动系统阻尼矩阵的估计方法

广东工业大学学报 ›› 2001, Vol. 18 ›› Issue (3): 6-11.

结构振动系统阻尼矩阵的估计方法

广东工业大学建设学院；广东工业大学机电工程学院广东广州510090；广东广州510090；

出版日期:2001-06-02 发布日期:2001-06-02
基金资助:
国家自然科学基金项目资助 (5 9685 0 0 3)

A Method for Estimating the Damping Matrix of Structural Dynamic Systems

(1.Faculty of Construction;2.Faculty of Electromechanical Engineering,GDUT,Guangzhou,510090,China)

Online:2001-06-02 Published:2001-06-02

摘要/Abstract

摘要： 主要讨论振动系统的阻尼矩阵估计问题先将阻尼矩阵C按Liang的理论表达为系统的质量与刚度矩阵M、K的多项式 ,并用多项式的前几项近似表达阻尼矩阵即能导出复模态 ,文中解释了多项式各项的物理意义 ,利用估计模型应具有的动态传递函数应尽可能与实测值一致的原理 ,构造了一个利用动态试验数据确定多项式各种系数的优化估计算法 ,最后用数值算例表明了方法的有效性

冯文贤；陈新； . 结构振动系统阻尼矩阵的估计方法[J]. 广东工业大学学报, 2001, 18(3): 6-11.

FENG Wen xian 1,CHEN Xin 2 . A Method for Estimating the Damping Matrix of Structural Dynamic Systems[J]. Journal of Guangdong University of Technology, 2001, 18(3): 6-11.

[1] 董军,邓洪洲,王肇民. 结构动力分析阻尼模型研究[J]. 世界地震工程. 2000(04)

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