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摘要：
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采用Dynaform软件对抛物面车灯反光罩的成形工艺进行了数值模拟 ,研究了各种工艺参数对成形的影响。
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The numerical simulation of parabolic shaped collector is carried out in this paper, various FEM models with different process parameters are studied.The wrinkles and rupture of the draw piece can be predicted.Several methods preventing wrinkles are put forward.
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基金项目：
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作者简介：
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参考文献：
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1 JProubet.Numericalsimulationsofwallwrinkinginfoodcandrawing.J.Mater.ProcessTechnol,1994,45,223～228
2 刘罡,林忠钦,张卫刚板料网格模型对薄板成形仿真计算结果的影响分析,塑性工程学报,2000(3)
3 BradleyNMaker,XinhaiZhu.InputParameterforMetalFormingSimulationusingLS -DYNA .LivermoreSoftwareTechnologyCorporation,April,2000.
4 LS -DYNA3DUSER SMANUAL .LivermoreSoftwareTechnologyCorporation,August1,1995
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