车身开发过程中的成形仿真

Technology of Forming Simulation in the Process of Autobody Development

对于车身的内外覆盖件 ,拉深及拉延工艺的成形仿真尤为重要。它与产品设计、工艺规划和材料选择息息相关。车身制件的成形仿真分为两类 :概念设计阶段的单步法和生产阶段的精确有限元增量仿真法。若将仿真方法的使用集成在开发过程中 ,能大幅度地缩短总体开发周期 ,提高产品质量。该文讨论了车身开发过程中钣金成形仿真技术的应用 ,分析了汽车开发中的不同阶段 ,不同仿真方法的应用。

For automotive sheet metal parts, the simulation of forming processes such as deep drawing and stretch forming is growing in importance, which is impacting product design, process engineering, and material selection. Sheet metal forming simulation of automotive body parts can be categorized according to the method used, such as one-step or accurate incremental finite element simulation. As a result, the use of simulation methods can lead to cost savings in tool construction and die tryout phases if fully integrated into the development process. Then, simulations can significantly reduce the overall development time and increase product quality. The paper discussed the integration of sheet forming simulations in the autobody development process. It considers the different phases in a autobody's development, the different simulation methods that are applicable.