A coupled XFEM fatigue modelling of crack growth, delamination and bridging in FRP strengthened metallic plates

被引：18
作者：
Rashnooie, R. [1 ]
Zeinoddini, M. [1 ]
Ahmadpour, F. [1 ]
Aval, S. B. Beheshti [1 ]
Chen, T. [2 ]
机构：
[1] KN Toosi Univ Technol, Fac Civil Engn, Tehran, Iran
[2] Tongji Univ, Dept Struct Engn, Shanghai 200092, Peoples R China
来源：
ENGINEERING FRACTURE MECHANICS | 2023年 / 279卷
关键词：
Extended finite element method (XFEM); Fatigue crack growth (FCG); Fibre reinforced polymer (FRP); Bridging; Delamination; FINITE-ELEMENT-METHOD; STEEL PLATES; ALUMINUM PANELS; COMPOSITE PATCH; PROPAGATION; BEHAVIOR; PERFORMANCE; PREDICTION; DAMAGE; LIFE;
D O I：
10.1016/j.engfracmech.2022.109017
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This paper proposes an extended finite element method (XFEM) modelling approach coupled with cyclic damage mechanics criteria to simulate the fatigue crack growth (FCG), progressive delamination, and bridging in metal-fibre reinforced polymer (FRP) composites. The FCG in the metal is described using linear elastic fracture mechanics. The cycle-by-cycle degradation of the adhesive layer, progressive damage in the FRP layers, and metal-FRP interface delamination are modelled using the damage mechanics criteria. The proposed XFEM model successfully simulates the fatigue behaviour of FRP-strengthened metallic plates. The FCG rates, crack trajectories, fatigue lives, and failure modes satisfactorily agree with the corresponding experimental data.
引用
收藏
页数：25
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