边界界面动态接触约束与接触判断是3维复杂体积成形有限元数值模拟的关键技术问题之一。
One of the key technique problems is boundary dynamic contact constraint and contact judgment in FEA simulation for 3d complicated massive forming.
基于支承法兰盘的结构特征,通过目标函数的建立、设计变量的选取以及约束条件的确定建立了优化设计的有限元模型,并对法兰盘进行了静力分析。
Based on the structural characteristics of bearing flange, the optimization model is established according to the objective function, design variables and constraints, and make a static analysis.
此文提出了适用于金属体积成形过程有限元模拟的约束处理算法。
A new method for the treatment of constraints in finite element simulation of metal forming is put forward.
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