Results indicate that the sheet metal with the thickness of 1mm and curvature radius 200mm sharply wrinkle in the multi-point die(MPD) forming mode.

• 文章用显式动力学算法进行了数值模拟,结果表明,采用多点模具成形工艺成形1mm厚度的板料时,曲率半径为200mm的成形件起皱明显;