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fu he sui ji zhen dong fen xi de kuo jie xi tong fang fa
Author(s): 
Pages: 66-75
Year: Issue:  1
Journal: Chinese Journal of Theoretical and Applied Mechanics

Keyword:  正交分解随机振动扩阶系统方法;
Abstract: 提出了随机结构系统反应的子空间次序正交分解的思想.基于这一思想,文中导出了一类用于考虑随机激励的随机结构复合随机振动分析的扩阶系统方法,从而可以应用传统的确定性结构随机振动各种分析方法求解复合随机振动问题.作为特例,本文给出了使用模态分析法求解的过程.将文中算例与随机模拟结果相比较,证实了本文思想与方法的实用性.
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