Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice

The aim of this study is to deal with the simulation of intralaminar fatigue damage in unidirectional composite under multi-axial and variable amplitude loadings. The variable amplitude and multi-axial loading is accounted for by using the damage hysteresis operator based on Brokate method [6]. The...

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Main Authors: D. Carrella-Payan, B. Magneville, M. Hack, C. Lequesne, T. Naito, Y. Urushiyama, W. Yamazaki, T. Yokozeki, W. Van Paepegem
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2016-10-01
Series:Fracture and Structural Integrity
Subjects:
Online Access:http://www.gruppofrattura.it/pdf/rivista/numero38/numero_38_art_25.pdf
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author D. Carrella-Payan
B. Magneville
M. Hack
C. Lequesne
T. Naito
Y. Urushiyama
W. Yamazaki
T. Yokozeki
W. Van Paepegem
author_facet D. Carrella-Payan
B. Magneville
M. Hack
C. Lequesne
T. Naito
Y. Urushiyama
W. Yamazaki
T. Yokozeki
W. Van Paepegem
author_sort D. Carrella-Payan
collection DOAJ
description The aim of this study is to deal with the simulation of intralaminar fatigue damage in unidirectional composite under multi-axial and variable amplitude loadings. The variable amplitude and multi-axial loading is accounted for by using the damage hysteresis operator based on Brokate method [6]. The proposed damage model for fatigue is based on stiffness degradation laws from Van Paepegem combined with the ‘damage’ cycle jump approach extended to deal with unidirectional carbon fibres. The parameter identification method is here presented and parameter sensitivities are discussed. The initial static damage of the material is accounted for by using the Ladevèze damage model and the permanent shear strain accumulation based on Van Paepegem’s formulation. This approach is implemented into commercial software (Siemens PLM). The validation case is run on a bending test coupon (with arbitrary stacking sequence and load level) in order to minimise the risk of inter-laminar damages. This intra-laminar fatigue damage model combined efficient methods with a low number of tests to identify the parameters of the stiffness degradation law, this overall procedure for fatigue life prediction is demonstrated to be cost efficient at industrial level. This work concludes on the next challenges to be addressed (validation tests, multiple-loadings validation, failure criteria, inter-laminar damages…).
format Article
id doaj-art-596fdaba0cc6498ab0234d19610057aa
institution Kabale University
issn 1971-8993
1971-8993
language English
publishDate 2016-10-01
publisher Gruppo Italiano Frattura
record_format Article
series Fracture and Structural Integrity
spelling doaj-art-596fdaba0cc6498ab0234d19610057aa2025-01-03T01:41:01ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89931971-89932016-10-01103818419010.3221/IGF-ESIS.38.25Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practiceD. Carrella-Payan0B. Magneville1M. Hack2C. Lequesne 3T. Naito4 Y. Urushiyama 5W. Yamazaki6 T. Yokozeki 7W. Van Paepegem 8Siemens PLM Software Siemens PLM Software Siemens PLM Software Siemens PLM Software Honda R&D Co Ltd, Tochigi, Japan Honda R&D Co Ltd, Tochigi, Japan University of Tokyo, JapanUniversity of Tokyo, JapanGhent Univeristy, BelgiumThe aim of this study is to deal with the simulation of intralaminar fatigue damage in unidirectional composite under multi-axial and variable amplitude loadings. The variable amplitude and multi-axial loading is accounted for by using the damage hysteresis operator based on Brokate method [6]. The proposed damage model for fatigue is based on stiffness degradation laws from Van Paepegem combined with the ‘damage’ cycle jump approach extended to deal with unidirectional carbon fibres. The parameter identification method is here presented and parameter sensitivities are discussed. The initial static damage of the material is accounted for by using the Ladevèze damage model and the permanent shear strain accumulation based on Van Paepegem’s formulation. This approach is implemented into commercial software (Siemens PLM). The validation case is run on a bending test coupon (with arbitrary stacking sequence and load level) in order to minimise the risk of inter-laminar damages. This intra-laminar fatigue damage model combined efficient methods with a low number of tests to identify the parameters of the stiffness degradation law, this overall procedure for fatigue life prediction is demonstrated to be cost efficient at industrial level. This work concludes on the next challenges to be addressed (validation tests, multiple-loadings validation, failure criteria, inter-laminar damages…).http://www.gruppofrattura.it/pdf/rivista/numero38/numero_38_art_25.pdfCompositeFatigueVariable AmplitudeStiffness degradation
spellingShingle D. Carrella-Payan
B. Magneville
M. Hack
C. Lequesne
T. Naito
Y. Urushiyama
W. Yamazaki
T. Yokozeki
W. Van Paepegem
Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
Fracture and Structural Integrity
Composite
Fatigue
Variable Amplitude
Stiffness degradation
title Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
title_full Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
title_fullStr Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
title_full_unstemmed Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
title_short Implementation of fatigue model for unidirectional laminate based on finite element analysis: theory and practice
title_sort implementation of fatigue model for unidirectional laminate based on finite element analysis theory and practice
topic Composite
Fatigue
Variable Amplitude
Stiffness degradation
url http://www.gruppofrattura.it/pdf/rivista/numero38/numero_38_art_25.pdf
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