With an improved direct incremental method, the stretch-form-ing procedure of a hemisphere rigid punch modelled on a Honeywell DPS 8/52 computer has been successfully perfonned.

• 文中采用改进的直接增量法；在Honeywell DPS 8/52计算机上成功地模拟了金属薄板的半球面刚性冲头的胀形成形过程.