Finite element analysis of laser tube bending process

被引：22
|
作者：
Hao, N
Li, L
机构：
[1] Univ Manchester, Laser Proc Res Ctr, Dept Mech Aerosp & Mfg Engn, Manchester M60 1QD, Lancs, England
[2] Taiyuan Heavy Machinery Inst, Taiyuan 030024, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2003年 / 208卷
关键词：
laser; bending; tube; deformation mechanism; computer simulation;
D O I：
10.1016/S0169-4332(02)01429-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Laser bending of tubes is a process in which laser-induced non-uniform thermal stress is used to deform tubes in a controlled way without hard tooling or external forces. For understanding the mechanism of laser tube bending, a thermal-mechanical finite element transient analysis is conducted to investigate the developments of stress and strain during laser bending process. The simulation of the moving laser beam during bending process is realized by using individual load arriving time and a special defined load time function. The mechanism of the laser tube bending is discussed based on the simulation result. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：437 / 441
页数：5
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