Updating of Finite Element Model in Considering Mode Errors with Fuzzy Theory

被引：1
|
作者：
Liu, Yang [1 ]
Duan, Zhongdong [2 ]
Li, Hui [2 ]
机构：
[1] Harbin Inst Technol, Sch Transportat Sci & Engn, Harbin 150090, Peoples R China
[2] Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Peoples R China
来源：
DAMAGE ASSESSMENT OF STRUCTURES VIII | 2009年 / 413-414卷
关键词：
Structural model updating; Fuzzy set theory; Fuzzy finite element; Sublevel technique; Interval sensitivity analysis; IMPRECISELY-DEFINED SYSTEMS;
D O I：
10.4028/www.scientific.net/KEM.413-414.785
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Finite element model updating aims at reconciling the analytical model with the test one, to acquire a refined model with high-fidelity in structural dynamic properties. However, testing data are inevitable polluted by noises. In this study, the mode parameters and design variables are modeled as fuzzy variables, and a fuzzy model updating method is developed. Instead of a single optimal model, a set of satisfactory models is obtained. The most physically compatible solution is sorted by insights to the structures. The proposed method is applied to a real concrete bridge, for which a physically meaningful model is identified.
引用
收藏
页码：785 / +
页数：2
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