On the basis of the rigid viscoplastic FEM theory, a surface defect prediction method for the plastic forming process by FEM numerical simulation has been thoroughly studied.

• 摘要基于刚粘塑性有限元基本理论，本文深入地研讨了通过有限元数值模拟来预测塑性成形问题中一类表面缺陷生成的方法。