A three-dimensional (3D) numerical study of fatigue crack growth using remeshing techniques

被引：74

作者：

Maligno, A. R. ^{[1
]}

Rajaratnam, S. ^{[2
]}

Leen, S. B. ^{[2
]}

Williams, E. J. ^{[2
]}

机构：

[1] Univ Loughborough, Wolson Sch Mech & Mfg Engn, Loughborough LE11 3TU, Leics, England

[2] Univ Nottingham, Sch M3, Nottingham NG7 2JF, England

来源：

ENGINEERING FRACTURE MECHANICS | 2010年 / 77卷 / 01期

关键词：

FEM; Remeshing; Fatigue crack growth; EXTENDED FINITE-ELEMENT; LEVEL SETS; PROPAGATION; SIMULATION;

D O I：

10.1016/j.engfracmech.2009.09.017

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Numerical analyses based on the finite element (FE) method and remeshing techniques have been employed in order to develop a damage tolerance approach to be used for the design of aeroengines shaft components. Preliminary experimental tests have permitted the calculation of fatigue crack growth parameters for the high strength alloy steel adopted in this research. Then, a robust numerical study have been carried out to understand the influence of various factors (such as: crack shape, crack closure) on non-planar crack evolution in solid and hollow shafts under mixed-mode loading. The FE analyses have displayed a satisfactory agreement compared to experimental data on compact specimens (CT) and solid shafts. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：94 / 111

页数：18

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