质量缩放技术在楔横轧有限元模拟中的应用  

Application of Mass Scaling in Simulation of Cross Wedge Rolling by Finite Element Method

作　　者：祖汪明[1] 束学道[1] 彭文飞[1] 

机构地区：[1]北京科技大学机械工程学院,北京100083

出　　处：《冶金设备》2008年第3期1-4,13,共5页Metallurgical Equipment

基　　金：国家自然科学基金资助项目(50475175);塑性成形模拟及模具技术国家重点实验室开放基金(07-06)

摘　　要：基于ANSYS/LS-DYNA显式动力学有限元法,运用质量缩放技术对楔横轧轧制过程进行有限元模拟计算,并进行可行性分析。结果表明,运用质量缩放技术模拟楔横轧问题,不影响计算结果,而且可以大大节省计算时间,能达到效率和精度的统一,为大规模系统研究楔横轧理论提供高效的计算方法。Based on ANSYS/LS - DYNA dynamic explicit finite element method, the paper applied technique such as mass scaling to conduct simulation of cross wedge rolling by finite element method. In addition, theoretical analysis of feasibility on mass scaling was provided. The results showed that simulation of cross wedge rolling had no influence in calculation results by mass scaling, and improved the calculation efficiency obviously. The technique was able to attain unify of efficiency and accuracy, and provided efficiently calculation method to study theory of cross wedge rolling systematically and massively.

关 键 词：质量缩放 楔横轧 有限元 

分 类 号：TG335[金属学及工艺—金属压力加工]