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

被引：11

作者：

Liu, Lei-chao ^{[1
]}

Dong, Xiang-huai ^{[1
]}

Li, Cong-xin ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Natl Die & Mould CAD Engn Res Ctr, Shanghai 200030, Peoples R China

来源：

JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A | 2009年 / 10卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Meshless method; Adaptive coupling method; Bulk metal forming; Numerical simulation; KERNEL PARTICLE METHOD; CONTACT PROBLEMS;

D O I：

10.1631/jzus.A0820286

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：353 / 360

页数：8

共 15 条

[1]

Belytschko T, 1995, COMPUT MECH, V17, P186

[2] A Lagrangian reproducing kernel particle method for metal forming analysis [J].

Chen, JS ;

Pan, C ;

Roque, CMOL ;

Wang, HP .

COMPUTATIONAL MECHANICS, 1998, 22 (03) :289-307

[3] Some recent improvements in meshfree methods for incompressible finite elasticity boundary value problems with contact [J].

Chen, JS ;

Wang, HP ;

Yoon, S ;

You, Y .

COMPUTATIONAL MECHANICS, 2000, 25 (2-3) :137-156

[4] Analysis of metal forming process based on meshless method [J].

Chen, JS ;

Roque, CMOL ;

Pan, CH ;

Button, ST .

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 1998, 80-1 :642-646

[5] New boundary condition treatments in meshfree computation of contact problems [J].

Chen, JS ;

Wang, HP .

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2000, 187 (3-4) :441-468

[6] Element-free Galerkin methods in combination with finite element approaches [J].

Hegen, D .

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 1996, 135 (1-2) :143-166

[7]

Huerta A, 2000, INT J NUMER METH ENG, V48, P1615, DOI 10.1002/1097-0207(20000820)48:11<1615::AID-NME883>3.0.CO

[8]

2-S

[9] Automatic adaptive generation of a coupled finite element/element-free Galerkin discretization [J].

Karutz, H ;

Chudoba, R ;

Krätzig, WB .

FINITE ELEMENTS IN ANALYSIS AND DESIGN, 2002, 38 (11) :1075-1091

[10] Element-free Galerkin method for contact problems in metal forming analysis [J].

Li, GY ;

Belytschko, T .

ENGINEERING COMPUTATIONS, 2001, 18 (1-2) :62-78

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