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含随机参数粘弹性结构的有限元法分析
引用本文:刘建新,张强,焦群英. 含随机参数粘弹性结构的有限元法分析[J]. 地震工程与工程振动, 2003, 23(6): 70-73
作者姓名:刘建新  张强  焦群英
作者单位:上海师范大学建筑工程学院,上海,201418;中国农业大学理学院,北京,100083
基金项目:上海市高校科学发展基金项目(CL200017)
摘    要:本文在空间上采用有限元法。在时域上采用离散的方法。建立了用扩阶随机有限元方法求解含随机参数粘弹性问题的计算模型,并给出了算例。结果表明,本文解和Monte-Carlo模拟解吻合。

关 键 词:粘弹性随机结构  有限元法  响应
文章编号:1000-1301(2003)06-0070-04

Finite element method for analysing response of viscoelastic structures with uncertain physical parameters
LIU Jian-xin,ZHANG Qiang,JIAO Qun-ying. Finite element method for analysing response of viscoelastic structures with uncertain physical parameters[J]. Earthquake Engineering and Engineering Vibration, 2003, 23(6): 70-73
Authors:LIU Jian-xin  ZHANG Qiang  JIAO Qun-ying
Affiliation:LIU Jian-xin~1,ZHANG Qiang~1,JIAO Qun-ying~2
Abstract:In this paper,an equivalent random system method is developed and used in analyzing the dynamic response of nonlinear random structures. Its basic idea and calculation method are expounded. The numerical results show that the responses of the proposed approach are much close to the Monte Carlo solutions.
Keywords:nonlinear random structures  equivalent random systems method  dynamic response
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