For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.

针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。

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For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.

针对板料成形回弹精度问题的数值模拟，从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。

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