期刊
OPTICS AND LASER TECHNOLOGY
卷 44, 期 4, 页码 1148-1155出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2011.09.028
关键词
Laser bending; Solid-shell coupling; Multi-layered shell
资金
- National Natural Science Foundation of China [50905112]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20100073120044]
- State Key Lab of MSV, China [MSV-MS-2010-12]
Due to its enormously high flexibility laser forming has been gaining importance in recent years. This rapidness and flexibility demand very precise controlling strategies especially when simulating the process of large plates and challenging the limited computation power of the current workstation. A simple, robust and accurate modeling method of laser forming has been demonstrated to solve this problem. The simplified model is meshed by multi-layered shell element, simulated with a more real scanning method and fewer parameters. The intelligent meshing strategies have reduced the number of elements dramatically. Thus the simulation efficiency has been improved significantly. By comparing the simulation results under the simplified model with the results under the traditional model for laser forming, the applicability of proposed method has been proven. The method of these simplified models is also suitable to simulate complex finite element models, which take much time to simulate. It would throw some light on the thermal mechanically coupled-field simulation of large sheet. Crown Copyright (C) 2011 Published by Elsevier Ltd. All rights reserved.
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