摘要:
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应用PAMSTAMP模拟软件研究分析了影响回弹计算精度的因素 ,包括网格尺寸、虚拟冲压速度和自适应网格应用 ,及工艺参数对回弹量的影响 ,包括压边力、材料性能和摩擦系数
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The factors influencing on the accuracy of springback calculation,including average mesh size,punch velocity and usage of adaptive mesh refinement,and the factors influencing on springback in sheet forming process,including blankholder force,material properties and friction coefficient,are studied with PAMSTAMP softwere in this paper.
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基金项目:
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国家自然基金资助项目 (59990 4 70 - 3)
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作者简介:
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参考文献:
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1 NHe,RHWagoner.Springbacksimulationinsheetmetalforming.Numisheet’96.
2 NMontmayeur,CStaubSpringback predictionwithOptris.Nu misheet’99,France,1999.
3 胡平,李运星等冲压件成形与模具设计数值仿真一体化技术塑性力学及其应用,北京理工大学出版社,1999
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