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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.3 P.353-360

http://doi.org/10.1631/jzus.A0820286


Adaptive finite element-element-free Galerkin coupling method for bulk metal forming processes


Author(s):  Lei-chao LIU, Xiang-huai DONG, Cong-xin LI

Affiliation(s):  National Die and Mould CAD Engineering Research Center, Shanghai Jiao Tong University, Shanghai 200030, China

Corresponding email(s):   liuleichao@yahoo.com.cn

Key Words:  Meshless method, Adaptive coupling method, Bulk metal forming, Numerical simulation


Lei-chao LIU, Xiang-huai DONG, Cong-xin LI. Adaptive finite element-element-free Galerkin coupling method for bulk metal forming processes[J]. Journal of Zhejiang University Science A, 2009, 10(3): 353-360.

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author="Lei-chao LIU, Xiang-huai DONG, Cong-xin LI",
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%T Adaptive finite element-element-free Galerkin coupling method for bulk metal forming processes
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%A Cong-xin LI
%J Journal of Zhejiang University SCIENCE A
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%DOI 10.1631/jzus.A0820286

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T1 - Adaptive finite element-element-free Galerkin coupling method for bulk metal forming processes
A1 - Lei-chao LIU
A1 - Xiang-huai DONG
A1 - Cong-xin LI
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 3
SP - 353
EP - 360
%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820286


Abstract: 
An adaptive finite element-element-free Galerkin (FE-EFG) coupling method is proposed and developed for the numerical simulation of bulk metal forming processes. This approach is able to adaptively convert distorted FE elements to EFG domain in analysis. A new scheme to implement adaptive conversion and coupling is presented. The coupling method takes both advantages of finite element method (FEM) and meshless methods. It is capable of handling large deformations with no need of remeshing procedures, while it is computationally more efficient than those full meshless methods. The effectiveness of the proposed method is demonstrated with the numerical simulations of the bulk metal forming processes including forging and extrusion.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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