Probabilistic finite element model updating using random variable theory

被引：1
|
作者：
Papadopoulos, L [1 ]
Garcia, E
机构：
[1] Vanderbilt Univ, Smart Struct Lab, Dept Engn Mech, Nashville, TN 37240 USA
[2] Vanderbilt Univ, Ctr Intelligent Mechatron, Dept Engn Mech, Nashville, TN USA
来源：
AIAA JOURNAL | 2001年 / 39卷 / 01期
关键词：
Algorithms - Cantilever beams - Elastic moduli - Finite element method - Iterative methods - Mathematical models - Natural frequencies - Probability density function - Sensitivity analysis - Stiffness matrix;
D O I：
10.2514/2.1292
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The finite element method (FEM) with the concept of probability theory was used to determine structural responses of complex structures. The statistical changes in natural frequencies and mode shapes were integrated by using FEM techniques of the original model. The method was applied experimentally to cantilever aluminum beam for two test cases with actual modulus of elasticity equal to 5%.
引用
收藏
页码：193 / 195
页数：3
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