Finite element model for crack growth process in concrete bituminous

被引：15
|
作者：
Dubois, F. [1 ]
Moutou-Pitti, R. [1 ]
Picoux, B. [1 ]
Petit, C. [1 ]
机构：
[1] Univ Limoges, Heterogeneous Mat Res Grp, Civil Engn Univ Ctr, Egletons, France
来源：
ADVANCES IN ENGINEERING SOFTWARE | 2012年 / 44卷 / 01期
关键词：
Viscoelasticity; Fracture; Damage; Finite element method; Rheological models; Crack growth process; FRACTURE-MECHANICS; VARIABLES; ENERGY;
D O I：
10.1016/j.advengsoft.2011.05.039
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper is devoted to a finite element model based on an incremental formulation for viscoelastic resolution, in order to simulate both crack growth initiation and the time crack propagation process. For isotropic symmetries, a complex algorithm is developed within the time domain, requiring a step-by-step calculation of the energy release rate in performing the independent path integral GO. The model has been adapted for slow crack growth processes by taking into account viscoelastic properties and progressive crack lip debonding. Applications are proposed for the crack growth initiation and crack tip evolution in bitumen. (C) 2011 Civil-Comp Ltd and Elsevier Ltd. All rights reserved.
引用
收藏
页码：35 / 43
页数：9
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