金属成形过程的回弹变分原理  

SPRINGBACK VARIATION PRINCIPLES IN METAL FORMING PROCESSES

作　　者：付宝连[1,2] 

机构地区：[1]燕山大学 [2]华中科技大学塑性成形模拟及模具技术国家重点实验室,武汉430074

出　　处：《工程力学》2002年第6期87-92,共6页Engineering Mechanics

基　　金：塑性成形模拟及模具技术国家重点实验室开放基金资助

摘　　要：引入了回弹反耦联系统和回弹反耦联方程的概念。应用加权余量法于该回弹反耦联方程,建立了金属成形过程的回弹最小势能原理和回弹最小余能原理。并且,应用回弹最小势能原理于悬臂梁和曲梁的回弹变形计算。Conceptions of springback anti-couple systems and equations are introduced. Spring-back principles of minimum potential energy and minimum complementary energy in metal forming processes are established by applying weighted residual method to the springback anti-couple equations and the springback principle of minimum potential energy is applied to calculate springback deformations of a cantilever beam and a curved beam.

关 键 词：金属成形 回弹 变分原理 回弹反耦联方程 加权余量法 

分 类 号：TG301[金属学及工艺—金属压力加工]