基于有限元法的薄板冲压成形问题非线性动力行为分析与研究

Li Zhang, Zhang Tao, Kai-Teng Wu
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引用次数: 0

摘要

提出了钢板冲压成形过程的数值模拟框架。详细介绍了运动方程、本构关系、初始条件、边界条件和接触条件等主要问题。在此基础上,建立并求解有限元模型,探索应力、应变等变化规律。得到了不同变形阶段的应力、应变和荷载位移信息。数值结果表明,有限元算法能有效地模拟钢板的变形过程,说明该数值框架对钢板冲压成形问题是可行的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Nonlinear Dynamic Behavior Analysis and Research for Sheet Steel Stamping Forming Problems Based on Finite Element Method
A numerical framework for the simulation of sheet steel stamping forming is presented. The main problems, the equations of motion, the constitutive relation, the initial conditions, boundary conditions and contact conditions, are presented in detail. Based on this, the finite element model is established and solved for exploring the changes in laws of stress, strain and so on. The information on stress, strain and load displacement is obtained at different deformation stages. The numerical results show that the finite element algorithm can effectively simulate the deformation process of sheet steel which helps to explain that the numerical framework is feasible for sheet steel stamping forming problems.
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