Numerical and experimental determination of three-dimensional multiple crack growth in fatigue

被引：21
|
作者：
Wessel, C [1 ]
Cisilino, A [1 ]
Santi, O [1 ]
Otegui, J [1 ]
Chapetti, M [1 ]
机构：
[1] Univ Mar del Plata, CONICET, INTEMA, RA-7600 Mar Del Plata, Argentina
来源：
THEORETICAL AND APPLIED FRACTURE MECHANICS | 2001年 / 35卷 / 01期
关键词：
D O I：
10.1016/S0167-8442(00)00048-3
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This work is concerned with the assessment of propagation of multiple fatigue cracks in three-dimensions. Computational modelling of fatigue crack propagation is made together with detection and monitoring of the crack shape development. The boundary element method (BEM) is used for automating the modelling of crack propagation in linear elastic as well as elastic-plastic regimes. Strain at several positions on the specimen surface near the crack mouth is measured to monitor crack initiation, shape development and closure levels. Examples are provided to validate the model by comparing the experimental results with those obtained by numerical predictions. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：47 / 58
页数：12
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