Development of the crack-line-update method for two-dimensional piercing simulations

被引：2
|
作者：
Matsuno, T. [1 ,2 ,3 ]
Takamura, M. [2 ]
Mihara, S. [2 ]
Koda, T. [4 ]
Tsujioka, K. [4 ]
机构：
[1] Tottori Univ, 4-101 Koyama Cho Minami, Tottori, Tottori 6808552, Japan
[2] RIKEN, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
[3] Natl Inst Mat Sci, 1-2-1 Sengen, Tsukuba, Ibaraki 3050047, Japan
[4] Trial Pk Co Ltd, 2-3-13 Minami, Wako, Saitama 3510198, Japan
来源：
NUMISHEET 2018: 11TH INTERNATIONAL CONFERENCE AND WORKSHOP ON NUMERICAL SIMULATION OF 3D SHEET METAL FORMING PROCESSES | 2018年 / 1063卷
关键词：
HOLE;
D O I：
10.1088/1742-6596/1063/1/012157
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have developed the crack-line-update method for two-dimensional piercing simulations by a finite element method. This method is combined with a remeshing process involving an outer line and meshing. By using the crack-line-update method, crack lines, which are derived from a stress and strain analysis of the high-damage regions, are added to the outer line in every remeshing step. In this paper, we compare the simulations between the mesh deletion and crack-line-update methods. The crack-line-update method successfully simulated the arresting of cracks during the piercing process, whereas the mesh deletion method could not express such fracture behavior.
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页数：6
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