1·The trajectory of vehicle barrier crash should be able to stay in the smooth transition, does not affect the normal running of the vehicle to leave the springback Angle and the smaller the.
车辆碰撞护栏的运动轨迹应能圆滑过渡，以较小的驶离角和较小的回弹量停留在不影响车辆正常行驶的地方。
2·There exists the elastic deformation during the process of sheet bending, and it will influence the springback of sheet after unloading.
板料在弯曲过程中，由于存在弹性变形，卸载后，弹性变形必然影响到板料的回弹。
3·Part shape error due to springback is one of most important manufacturing defect in sheet metal stamping process.
回弹是金属板料冲压中的主要缺陷之一，它可以通过修正模具形状加以解决。
4·A new finite element model based on U-bending benchmark of NUMISHEET '93 has been proposed to predict springback with contact evolution between the sheet and dies.
基于NUMISHEET93的U形弯曲标准考题，考虑板材与模具间的接触演变过程，建立了一个新的有限元模型来预测回弹。
5·The accuracy of mechanical properties of sheet described by material model parameters has great influence on the accuracy prediction of springback.
材料模型参数对板料力学性能的描述精度对回弹预测结果有较大的影响。