This FLSD was used in conjunction with LS -DYNA finite element simulation to predict the onset of fracture and limit forming pressure in tube hydroforming.

• 采用LS-DYNA软件对方截面汽车结构件内高压成形过程进行了模拟，应用FLSD预测胀形过程中破裂的发生及极限成形压力。