Numerical simulation of electromagnetic sheet bulging based on FEM

被引：30
|
作者：
Cui, Xiaohui [1 ]
Mo, Jianhua [1 ]
Xiao, Shijie [1 ]
Du, Erhu [1 ]
Zhao, Jian [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2011年 / 57卷 / 1-4期
关键词：
Electromagnetic sheet bulging; Finite element model; Magnetic force; Sequential coupling method;
D O I：
10.1007/s00170-011-3273-y
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A sequential coupling method has been used to analyze the electromagnetic sheet bulging. The adaptive remeshing technique is used in air meshes to make it change regularly according to the deformation result of the sheet. The deformed sheet is imported into electromagnetic model to calculate the magnetic force in next time step. Therefore, the method solves the problem of electromagnetic-structure coupling analysis. According to the research results, with the increase of the sheet deflection, the effects of the radial component of the magnetic force on sheet deformation increase gradually. The optimum value of the time step is found, which corresponds to the better simulation result and less computational time. The simulative deflections at the center and 20 mm from the center with time are good in agreement with the experimental ones.
引用
收藏
页码：127 / 134
页数：8
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