Based on viscosity damping hourglass control method, a one-point integrational hexahedral finite element dynamic explicit algorithm was developed and ironing process simulation was also carried out.

• 摘要采用黏性阻尼沙漏控制算法，开发了单点积分的八节点六面体单元的有限元动力显式算法程序，用于模拟厚钣金件的变薄拉深成形过程。