Inelastic material behavior and fracture mechanics: a variational approach

被引：0
|
作者：
Bruno, L [1 ]
机构：
[1] CERN, Div SL BT TA, CH-1211 Geneva 23, Switzerland
来源：
ARCHIVE OF APPLIED MECHANICS | 1999年 / 69卷 / 06期
关键词：
fracture; inelasticity; continuum mechanics; variation;
D O I：
10.1007/s004190050229
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A variational principle is presented, which relates the macroscopic fracture response of a mechanical component to its microscopic, inelastic material behavior. The principle allows a comparison between the crack driving force, expressed by the J-integral, and an integral expression of the fracture resistance. On this basis, the critical values of J are calculated for a Griffith crack under mixed-mode loading. The preliminary check with data available in literature shows a fairly good agreement.
引用
收藏
页码：393 / 405
页数：13
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