A general Arbitrary Lagrangian Eulerian formulation for the numerical simulation of 3D forming processes

被引：0
|
作者：
Boman, R. [1 ]
Papeleux, L. [1 ]
Ponthot, J. P. [1 ]
机构：
[1] Univ Liege, LTAS MC&T, B-4000 Liege, Belgium
来源：
NUMIFORM '07: MATERIALS PROCESSING AND DESIGN: MODELING, SIMULATION AND APPLICATIONS, PTS I AND II | 2007年 / 908卷
关键词：
cold roll forming; numerical simulation; Arbitrary Lagrangian Eulerian formulation;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, the Arbitrary Lagrangian Eulerian formalism is used to compute the steady state of a 2D metal cutting operation and a 3D U-shaped cold roll forming process. Compared to the Lagrangian case, this method allows the use of a refined mesh near the tools, leading to an accurate representation of the chip formation (metal cutting) and the bending of the sheet (roll forming) with a limited computational time. The main problem of this kind of simulation is the rezoning of the nodes on the free surfaces of the sheet. A modified iterative isoparametric smoother is used to manage this geometrically complex and CPU expensive task.
引用
收藏
页码：179 / +
页数：2
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