Springback is an inevitable physical phenomenon in the metal sheet elastic and plastic forming. 回弹现象是金属板料弹塑性成形过程中不可避免的物理现象。
In this paper the elastic and elastoplastic interal forces of Cable dome strueture are analysed by the energy Variational principle. 本文采用能量变分原理分析拉索穹顶结构的弹性和弹塑性内力。
