In this paper, the pre and post process system (POPPS) for stretch forming simulation with FEM is presented.
介绍了飞机蒙皮拉形过程有限元分析软件的前后置处理系统POPPS。
With the FEM simulation, the strain and stress of each node under different deformation stage are analyzed and the common forming law of this ring shell container is obtained.
采用有限元数值模拟对环壳零件成形过程中不同压下量下毛坯各节点的应力应变分布及变化规律进行了分析，获得了环壳零件冲压过程的成形规律。
In this paper, together with road simulation test, reliability theory and FEM, the fatigue life and degree of reliability were analyzed based on the construction of the frame.
论文在对车架结构模型构建的基础上，将道路模拟试验、可靠性分析理论和有限元分析方法等结合起来，分析其可靠度及疲劳寿命。
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