Fuzzy finite element method: An experimental modal analysis comparison

被引：0
|
作者：
Tison, T. [1 ]
Ruffin, K. [1 ]
Massa, F. [1 ]
Lallemand, B. [1 ]
机构：
[1] Univ Valenciennes & Hainaut Cambresis, CNRS, UMR 59313, Lab Automat Mecan & Informat Ind & Human, F-59313 Valenciennes, France
来源：
Proceedings of ISMA2006: International Conference on Noise and Vibration Engineering, Vols 1-8 | 2006年
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents a comparison of numerical and experimental modal solutions in which geometrical and material imperfections have been taken into account. First, several experimental modal analyses were completed for specific design variable values and the results were aggregated to fuzzy numbers in order to constitute a fuzzy experimental reference. Second, a fuzzy finite-element model was built and the imperfections were propagated on the eigensolutions using a dedicated method. Finally, the fuzzy numerical quantities were compared with the experimental quantities to highlight the efficiency of non-deterministic models for predicting the test structure's behavioural modifications.
引用
收藏
页码：4219 / 4225
页数：7
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