A multi-deformable bodies solution method coupling finite element with meshless method in sheet metal flexible-die forming

被引：5

作者：

Yuan, Binxian ^{[1
]}

Wang, Zhongjin ^{[2
]}

机构：

[1] Tianjin Univ Technol & Educ, Natl Local Joint Engn Lab Intelligent Mfg Oriente, Tianjin 300222, Peoples R China

[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China

来源：

INTERNATIONAL CONFERENCE ON THE TECHNOLOGY OF PLASTICITY, ICTP 2017 | 2017年 / 207卷

关键词：

coupling; finite element method; meshless method; sheet metal flexible-die forming;

D O I：

10.1016/j.proeng.2017.10.1092

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a multi-deformable bodies solution method which includes both sheet metal elastoplastic deformation and bulk deformation of pressure-transmitting medium (PTM) in sheet metal flexible-die forming was proposed. The elastoplastic deformation of sheet metal was analyzed with finite element method (FEM), and the bulk deformation of PTM was analyzed with a meshless method, called element-free Galerkin method (EFGM). Aiming at the coupled deformation characteristics and strong nonlinear features between sheet metal/FEM and PTM/EFGM, a node-to-point contact method based on slave-master concept was employed to treat the frictional contact between these two deformable bodies. A numerical example of sheet metal flexible-die forming was presented to demonstrate the effectiveness of the proposed method. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：1653 / 1658

页数：6

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