Meanwhile,using the ideal forming theory,formulas and finite element expressions used in the fast finite element analysis method of sheet metal forming process were presented.
基于UG的CAD技术,构造了复杂形状拉深件成形快速模拟系统的前、后置处理模块;基于理想变形理论,给出了用于板料成形过程分析的快速有限元法数学公式和有限元表达。
Moreover,on the assumption of ideal forming and Hill'48 orthotropic yield criteria,the formula and FE expression of one-step approach for the fast deep drawing .
在此基础上,基于理想变形假设以及Hill’48正交异性屈服准则,给出了用于拉深件成形过程快速分析的一步法数学公式和有限元表达,并在Unigraphics系统中进行了有限元分析的后置处理。
Based on the assumption of ideal forming theory and plain stress, the FE equations for axisymetric multi-step deep drawing inverse simulation are formulated with linear membrane element and .
本文以理想变形理论为基础,在平面应力假设下,使用二维膜单元和厚向异性的刚塑性材料模型分析了单元变形关系,得到了各成形工步中以初始构形上的节点坐标为基本未知量的有限元方程。