Stochastic Finite Element Method of Structural Vibration Based on Sensitivity Analysis

被引：0
|
作者：
MO Wen-hui School of Mechanical Science and Engineering
机构：
来源：
International Journal of Plant Engineering and Management | 2009年 / 14卷 / 02期
关键词：
stochastic finite element; structural vibration; sensitivity; PCG;
D O I：
10.13434/j.cnki.1007-4546.2009.02.003
中图分类号：
TB532 [振动体的振动与辐射];
学科分类号：
083002 ; 120402 ;
摘要：
In this paper,material properties,geometry parameters and applied loads are assumed to be stochastic and a sensitivity computation of structural vibration is presented.The vibration equation of a system is transformed to a static problem by using the Newmark method.In order to develop computational efficiency and allow for efficient storage,the Preconditioned Conjugate Gradient method(PCG) is also employed.The PCG is an effective method for solving a large system of linear equations and belongs to methods of iteration with rapid convergence and high precision.An example is given and calculated results are compared to validate the proposed methods.
引用
收藏
页码：102 / 107
页数：6
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