Impact of specific fracture energy investigated in front of the crack tip of three-point bending specimen

被引：0
|
作者：
Klon J. [1 ]
Sobek J. [1 ]
Malíková L. [1 ]
Seitl S. [1 ,2 ]
机构：
[1] Brno University of Technology, Faculty of Civil Engineering, Institute of Structural Mechanics, Brno
[2] Academy of Sciences of the Czech Republic, v. v. i., Institute of Physics of Materials, Brno
来源：
| 1600年 / Gruppo Italiano Frattura卷 / 11期
关键词：
Finite element method; Loading curve; Specific fracture energy; Three-point bending test; Work of fracture;
D O I：
10.3221/IGF-ESIS.41.25
中图分类号：
学科分类号：
摘要：
Presented study is focused on the analysis of the dependence of the specific fracture energy value on the assumed work of fracture in three-point bending tests. Specimens of different sizes and relative notch lengths are assumed in this study, in order to take into account the size effect. The three-point bending test of cracked specimens is simulated numerically by means of commercial software based on the finite element method with implemented cohesive crack model. Three levels of the specific fracture energy are considered. © 2017, Gruppo Italiano Frattura. All rights reserved.
引用
收藏
页码：183 / 190
页数：7
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