| A CATASTROPHE ANALYSIS ON THE STABILITY OF THE CRACK GROWTH IN THREE-POINT BENDING SPECIMENS |
| |
| 作者姓名： | Wei Demin Fan Xuejun Taiyuan Unversity of Technology Taiyuan |
| |
| 作者单位： | Wei Demin;Fan Xuejun，Taiyuan Unversity of Technology，Taiyuan 030024 |
| |
| 摘 要： | This paper presents an attempt at the application of catastrophe theory to the stabilityanalysis of J-controlled crack growth in three-point bending specimens. By introducing the solutions ofJ-integral in the completely yielding state for the ideal plastic material, the critical condition of losingstability for the crack propagation in the specimen is obtained, based on the cusp catastrophe theory.The process of the crack growth from geometrical sense is described.
|
| 收稿时间： | 27 June 1995 |
A CATASTROPHE ANALYSIS ON THE STABILITY OF THE CRACK GROWTH IN THREE-POINT BENDING SPECIMENS |
| |
| Wei Demin,Fan Xuejun,Taiyuan Unversity of Technology,Taiyuan .A CATASTROPHE ANALYSIS ON THE STABILITY OF THE CRACK GROWTH IN THREE-POINT BENDING SPECIMENS[J].Acta Mechanica Solida Sinica,1996,9(2):179-183. |
| |
| Authors: | Wei Demin Fan Xuejun Taiyuan Unversity of Technology Taiyuan |
| |
| Institution: | (1) Taiyuan University of Technology, 030024 Taiyuan |
| |
| Abstract: | This paper presents an attempt at the application of catastrophe theory to the stability analysis of J-controlled crack growth in three-point bending specimens. By introducing the solutions of J-integral in the completely yielding state for the ideal plastic material, the critical condition of losing stability for the crack propagation in the specimen is obtained, based on the cusp catastrophe theory. The process of the crack growth from geometrical sense is described. |
| |
| Keywords: | crack growth stability cusp catastrophe J-integral three-point bending specimen |
| 本文献已被 CNKI SpringerLink 等数据库收录！ |
