An inverse analysis method for estimating inherent deformation in lap welded joint

被引：0
|
作者：
Liang, Wei [1 ]
Gong, Yi [1 ]
Hidekazu, Murakawa [2 ]
机构：
[1] College of Mechatronics and Automotive Engineering, Chongqing Jiaotong University, Chongqing 400074, China
[2] Joining and Welding Research Institute, Osaka University, Osaka 567-0047, Japan
来源：
Hanjie Xuebao/Transactions of the China Welding Institution | 2014年 / 35卷 / 01期
关键词：
Inverse problems - Deformation - Low carbon steel - Numerical methods - Welding;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Lap joint is one of the typical welded joints. In order to predict the welding deformation in large and complex structures, it is important to obtain the inherent deformation in lap joint. In the present study, a new inverse analysis method was proposed to obtain the inherent deformation in lap welded joints based on the combination of experimental measurement and numerical simulation. Using the inherent deformation model obtained by the proposed method, the welding distortion in a low carbon steel lap joint was predicted by means of forward elastic finite analysis based on the inherent strain theory. By comparing the simulated results and measured data, the prediction accuracy and effectiveness of the inverse analysis method was verified.
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页码：75 / 78
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