塑性成形过程反向模拟技术的研究现状与发展趋势

State of the Art and Trend of Backward Simulation in Metal Forming Process

预成形毛坯设计是精密塑性成形工艺的核心环节 ,而反向模拟技术可以实现预成形设计的高效化、数字化和智能化。从基于上限元和基于有限元两方面系统地介绍了国内外反向模拟技术研究进展情况及其技术难点的处理 ,分析了存在的问题 ,指明了发展方向。

Preform design is one of the key steps in precis e plastic forming, and backward simulation technology plays important role in pref orm design. The research progress and status of backward simulation technology a t home and abroad is introduced, and the existing problems and the direction of its development is analysed.