The results indicate that FEM can realize the complex strainpaths and different strainpaths will affect the result of sheet metal forming greatly.
研究结果表明:有限元数值模拟可以实现复杂应变路径; 应变路径的不同对冲压成形的结果有很大影响。
2
Strain-based FLD is strongly affected by the strain path and has brought much inconvenience to the study of forming limit under complex strainpaths.
因极限应变构成的FLD受应变路径的影响很大,在研究复杂应变路径的成形极限问题时带来极大不便。
3
In numerical simulation minimum thickness was taken as forming limit criterion. The research on the relation between minimum thickness and strainpaths was carried out.