切削加工有限元仿真技术的现状与展望  

Review Current Questions and Strategies About Finite Element Simulation for Cutting Processing

作　　者：苏宏华[1] 王禹封 谯木 赵正彩[1] 赵彪 徐宝德 SU Honghua;WANG Yufeng;QIAO Mu;ZHAO Zhengcai;ZHAO Biao;XU Baode(College of Mechanical&Electrical Engineering,Nanjing University of Aeronautics&Astronautics,Nanjing 210016,China;Beijing Xinghang Mechanical‑Electric Equipment Co.,Ltd.,Beijing 100071,China)

机构地区：[1]南京航空航天大学机电学院,南京210016 [2]北京星航机电装备有限公司,北京100071

出　　处：《南京航空航天大学学报》2023年第3期361-378,共18页Journal of Nanjing University of Aeronautics & Astronautics

基　　金：国家自然科学基金(92160301,92060203)。

摘　　要：切削加工有限元仿真是采用数值方法模拟切削加工过程的技术,可以研究切削加工过程中材料去除引发的各种物理机制,在优化切削参数、提高加工质量、降低研究成本等方面具有显著优势。如何使切削加工有限元仿真与实际的切削加工更加吻合是研究的热点,为此国内外开展了众多切削加工有限元仿真技术的研究工作,相关成果已在多种关键部件的切削加工中得到工程应用。本文概述了切削加工有限元仿真的几何仿真和物理仿真各自的基本原理、优势和发展趋势,系统总结了国内外学者为了提高切削加工有限元仿真的精度和效率,在本构模型和网格划分方面所开展工作的发展现状,综述了切削加工全过程动态仿真方法的研究进展,并对切削加工有限元仿真技术的重要问题和未来发展趋势进行了展望。The cutting process finite element simulation technology is a numerical method to simulate the cutting process,which can investigate various physical mechanisms caused by material removal during the cutting process.It has significant advantages in optimizing cutting parameters,improving machining quality,and reducing research costs.The significantly investigate objective is how to make the finite element simulation of cutting process more consistent with actual cutting process,so numerous research on finite element simulation technology for cutting has been carried out both domestically and internationally,and the relevant achievements have been applied in engineering.This paper provides an overview of the basic principles,advantages,and development trends of geometric simulation and physical simulation in cutting process finite element simulation.It systematically summarizes the development of constitutive models and mesh partitioning by domestic and foreign scholars to improve the accuracy and efficiency of cutting machining finite element simulation.On this foundation,the research progress of the combination of geometric and physical simulation methods is summarized.Finally,the important issues and future development trends of finite element simulation technology for cutting machining are envisioned.

关 键 词：切削加工 本构模型 网格细化 几何仿真 

分 类 号：TG501[金属学及工艺—金属切削加工及机床]