Finite element models of spot welds in structural dynamics: review and updating

被引：70
|
作者：
Palmonella, M
Friswell, MI
Mottershead, JE
Lees, AW
机构：
[1] Univ Bristol, Dept Aeronaut Engn, Bristol BS8 1TR, Avon, England
[2] Univ Coll Swansea, Sch Engn, Swansea SA2 8PP, W Glam, Wales
[3] Univ Liverpool, Dept Engn, Liverpool L69 3GH, Merseyside, England
来源：
COMPUTERS & STRUCTURES | 2005年 / 83卷 / 8-9期
基金：
英国工程与自然科学研究理事会;
关键词：
spot welds; finite element analysis; structural dynamics; model updating; automotive structures;
D O I：
10.1016/j.compstruc.2004.11.003
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Spot welds are used extensively in the automotive industry to join panels', and car bodies contain many thousands of spot welds. Different finite element models of spot welds have been created for various types of analysis. When structures with many spot welds are analysed, these detailed models have too many degrees of freedom to be used in practice. Simple models that use few elements must be used instead. This paper reviews the spot weld models available in the literature. Model updating based on the measured vibration characteristics is then used to improve the accuracy of the most common coarse models of spot welds. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：648 / 661
页数：14
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