A cohesive XFEM model for simulating fatigue crack growth under various load conditions

R. Dekker; F. P. van der Meer; J. Maljaars; L. J. Sluys

doi:10.1016/j.engfracmech.2021.107688

A cohesive XFEM model for simulating fatigue crack growth under various load conditions

R. Dekker^*, F. P. van der Meer, J. Maljaars, L. J. Sluys

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

This study presents calibration and validation of a cohesive extended finite element model for fatigue crack propagation in ductile materials. The approach relies on a separation between plasticity around the crack tip and fatigue crack growth at the crack tip such that the influence of plasticity on fatigue driving forces is predicted. This implies that characterization of crack growth requires effective Paris parameters. It is shown that the calibrated model can capture fatigue crack growth behaviour in ductile materials for in-phase and out-of-phase biaxial fatigue loading as well as in-phase biaxial loading with an overload.

Original language	English
Article number	107688
Pages (from-to)	1-15
Number of pages	15
Journal	Engineering Fracture Mechanics
Volume	248
DOIs	https://doi.org/10.1016/j.engfracmech.2021.107688
Publication status	Published - 2021

Keywords

Cohesive zone model
Fatigue crack growth
Mixed-mode
Out-of-phase
Overload
XFEM

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10.1016/j.engfracmech.2021.107688

1-s2.0-S0013794421001454-mainFinal published version, 0.99 MBLicence: CC BY-NC-ND

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title = "A cohesive XFEM model for simulating fatigue crack growth under various load conditions",

abstract = "This study presents calibration and validation of a cohesive extended finite element model for fatigue crack propagation in ductile materials. The approach relies on a separation between plasticity around the crack tip and fatigue crack growth at the crack tip such that the influence of plasticity on fatigue driving forces is predicted. This implies that characterization of crack growth requires effective Paris parameters. It is shown that the calibrated model can capture fatigue crack growth behaviour in ductile materials for in-phase and out-of-phase biaxial fatigue loading as well as in-phase biaxial loading with an overload.",

keywords = "Cohesive zone model, Fatigue crack growth, Mixed-mode, Out-of-phase, Overload, XFEM",

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AU - Dekker, R.

AU - van der Meer, F. P.

AU - Maljaars, J.

AU - Sluys, L. J.

PY - 2021

Y1 - 2021

N2 - This study presents calibration and validation of a cohesive extended finite element model for fatigue crack propagation in ductile materials. The approach relies on a separation between plasticity around the crack tip and fatigue crack growth at the crack tip such that the influence of plasticity on fatigue driving forces is predicted. This implies that characterization of crack growth requires effective Paris parameters. It is shown that the calibrated model can capture fatigue crack growth behaviour in ductile materials for in-phase and out-of-phase biaxial fatigue loading as well as in-phase biaxial loading with an overload.

AB - This study presents calibration and validation of a cohesive extended finite element model for fatigue crack propagation in ductile materials. The approach relies on a separation between plasticity around the crack tip and fatigue crack growth at the crack tip such that the influence of plasticity on fatigue driving forces is predicted. This implies that characterization of crack growth requires effective Paris parameters. It is shown that the calibrated model can capture fatigue crack growth behaviour in ductile materials for in-phase and out-of-phase biaxial fatigue loading as well as in-phase biaxial loading with an overload.

KW - Cohesive zone model

KW - Fatigue crack growth

KW - Mixed-mode

KW - Out-of-phase

KW - Overload

KW - XFEM

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VL - 248

SP - 1

EP - 15

JO - Engineering Fracture Mechanics

JF - Engineering Fracture Mechanics

M1 - 107688

ER -

A cohesive XFEM model for simulating fatigue crack growth under various load conditions

Abstract

Keywords

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