• CN:11-2187/TH
  • ISSN:0577-6686

›› 2002, Vol. 38 ›› Issue (2): 61-64.

• 论文 • 上一篇    下一篇

扫码分享

压力加工数值模拟中的体积改变问题

周喆;李明瑞;黄文彬;杨青春   

  1. 中国农业大学应用力学研究所;北京机电研究所
  • 发布日期:2002-02-15

VOLUME CHANGE IN SIMULATION OF METAL-FORMING PROCESSES

Zhou Zhe;Li Mingrui;Huang Wenbin;Yang Qingchun   

  1. China Agricultural University Beijing Research Institute of Mechanica & Electric Technology
  • Published:2002-02-15

摘要: 讨论了在压力加工的数值模拟中造成体积改变的原因,并对因变形及转动引起的体积改变做了定量估计,提出了解决问题的方向。

关键词: 体积不可压缩, 压力加工, 有限变形, 颤振, 能量熵, 强迫振动, 切削稳定性, 小波包分解

Abstract: The reason of volume change in metal-forming processes simulation is discussed. Volume change for deformation and spin is quantitatively estimated. It is suggested how the problem could be solved.

Key words: Finite deformation Volume invariability, Metal forming, Chatter, Energy entropy, Forced vibration, Stability of cutting, Wavelet packet decomposition

中图分类号: