Development of a physics-based theory for mixed mode I/II delamination onset in orthotropic laminates

Daneshjoo, Z.; Amaral, Lucas Rios do; Alderliesten, R.C.; Shokrieh, M.M.; Fakoor, Mahdi

doi:10.1016/j.tafmec.2019.102303

Cited by 13 publications

(8 citation statements)

References 50 publications

(77 reference statements)

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“…It is obvious that there is no general model that can comprehensively consider influence factors of fatigue delamination onset. There are few phenomenological models [1,2,58,80,90] for fatigue delamination onset in composite materials, and there is a lack of experimental verification.…”

Section: Delamination Onset Phenomenological Modelmentioning

confidence: 99%

“…Moreover, the damage caused by fatigue delamination is irreversible and often leads to a serious decline in the performance of components and even flight accidents. Therefore, research on the initiation and propagation law [1,2], the failure mechanism [3,4], and the numerical simulation [5,6] of delamination under fatigue loads is important for the damage tolerance and durability design of composite laminated structures.…”

Section: Introductionmentioning

confidence: 99%

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Review and Assessment of Fatigue Delamination Damage of Laminated Composite Structures

Deng,

Zhou,

et al. 2023

Materials

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Fatigue delamination damage is one of the most important fatigue failure modes for laminated composite structures. However, there are still many challenging problems in the development of the theoretical framework, mathematical/physical models, and numerical simulation of fatigue delamination. What is more, it is essential to establish a systematic classification of these methods and models. This article reviews the experimental phenomena of delamination onset and propagation under fatigue loading. The authors reviewed the commonly used phenomenological models for laminated composite structures. The research methods, general modeling formulas, and development prospects of phenomenological models were presented in detail. Based on the analysis of finite element models (FEMs) for laminated composite structures, several simulation methods for fatigue delamination damage models (FDDMs) were carefully classified. Then, the whole procedure, range of applications, capability assessment, and advantages and limitations of the models, which were based on four types of theoretical frameworks, were also discussed in detail. The theoretical frameworks include the strength theory model (SM), fracture mechanics model (FM), damage mechanics model (DM), and hybrid model (HM). To the best of the authors’ knowledge, the FDDM based on the modified Paris law within the framework of hybrid fracture and damage mechanics is the most effective method so far. However, it is difficult for the traditional FDDM to solve the problem of the spatial delamination of complex structures. In addition, the balance between the cost of acquiring the model and the computational efficiency of the model is also critical. Therefore, several potential research directions, such as the extended finite element method (XFEM), isogeometric analysis (IGA), phase-field model (PFM), artificial intelligence algorithm, and higher-order deformation theory (HODT), have been presented in the conclusions. Through validation by investigators, these research directions have the ability to overcome the challenging technical issues in the fatigue delamination prediction of laminated composite structures.

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Section: Delamination Onset Phenomenological Modelmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Review and Assessment of Fatigue Delamination Damage of Laminated Composite Structures

Deng,

Zhou,

et al. 2023

Materials

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show abstract

“…Moreover, the damage of fatigue delamination is irreversible, which often leads to a serious decline in the performance of components and even flight accidents. Therefore, the researches on initiation and propagation law [1,2], the failure mechanism [3,4] and the numerical simulation [5,6] of delamination under fatigue loads are the significant issues to the damage tolerance and durability design of composite laminated structures.…”

Section: Introductionmentioning

confidence: 99%

Review and Assessment on Fatigue Delamination Damage of Laminated Composite Structures

Deng,

Zhou,

et al. 2023

Preprint

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The fatigue delamination damage is one of the most important fatigue failure modes of laminated composite structures. However, the developments of the theoretical framework, mathematical/physical model and numerical simulation of fatigue delamination are still challenging issues, and there is a lack of systematic classification. This article reviews the experimental phenomena of the onset and propagation stage of delamination under fatigue loading, and summarizes the commonly used phenomenological models for laminated composite structures. The research methods, general modeling formulas and development prospects of the phenomenological models are presented in detail. In the light of the analysis of finite element model (FEM) for the laminated composite structures, a number of simulation methods of fatigue delamination crack propagation damage model are carefully classified. Furthermore, within the theoretical framework of strength theory model (SM), fracture mechanics model (FM), damage mechanics model (DM) and hybrid model (HM), the complete procedure, application, capability assessment, advantages and limitations of the models are also discussed in detail. Finally, several valuable suggestions are given for the research interests, and challenging technical problems that need to be overcome on the fatigue delamination prediction of laminated composite structures in the future.

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“…In the FPZ, several mechanisms such as the nucleation of micro-cracks cause the dissipation of energy and prevent catastrophic failure [55][56][57][58][59]. The effects of the FPZ, where micro-cracks nucleate and propagate, have been studied and a criterion derived based on dissipated energy in the FPZ [60]. Given the fracture toughness based on the maximum strain energy release rate (SERR), a rather accurate approximation of fracture based on the fracture mechanics becomes possible [61].…”

Section: Introductionmentioning

confidence: 99%

Applying the new experimental midpoint concept on strain energy density for fracture assessment of composite materials

Khaji

Fakoor

Farid

et al. 2022

Theoretical and Applied Fracture Mechanics

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Development of a physics-based theory for mixed mode I/II delamination onset in orthotropic laminates

Cited by 13 publications

References 50 publications

Review and Assessment of Fatigue Delamination Damage of Laminated Composite Structures

Review and Assessment of Fatigue Delamination Damage of Laminated Composite Structures

Review and Assessment on Fatigue Delamination Damage of Laminated Composite Structures

Applying the new experimental midpoint concept on strain energy density for fracture assessment of composite materials

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