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Delamination Buckling and Crack Propagation Simulations in Fiber-Metal Laminates Using xFEM and Cohesive Elements

Applied sciences, 2018-12, Vol.8 (12), p.2440 [Peer Reviewed Journal]

2018. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2076-3417 ;EISSN: 2076-3417 ;DOI: 10.3390/app8122440

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Title:
Delamination Buckling and Crack Propagation Simulations in Fiber-Metal Laminates Using xFEM and Cohesive Elements
Author: De Cicco, Davide ; Taheri, Farid
Subjects: Adhesives ; Chemical compatibility ; Cohesion ; cohesive zone modeling ; Composite materials ; Computer simulation ; Crack initiation ; Crack propagation ; Delamination ; extended finite element method ; Fiber-metal laminates ; Fiberglass ; Finite element analysis ; Interfaces ; Laminates ; LS-DYNA ; Methods ; Numerical analysis ; Organic chemistry ; Propagation ; Simulation ; Software ; Surface preparation
Is Part Of: Applied sciences, 2018-12, Vol.8 (12), p.2440
Description: Simulation of fracture in fiber-reinforced plastics (FRP) and hybrid composites is a challenging task. This paper investigates the potential of combining the extended finite element method (xFEM) and cohesive zone method (CZM), available through LS-DYNA commercial finite element software, for effectively modeling delamination buckling and crack propagation in fiber metal laminates (FML). The investigation includes modeling the response of the standard double cantilever beam test specimen, and delamination-buckling of a 3D-FML under axial impact loading. It is shown that the adopted approach could effectively simulate the complex state of crack propagation in such materials, which involves crack propagation within the adhesive layer along the interface, and its diversion from one interface to the other. The corroboration of the numerical predictions and actual experimental observations is also demonstrated. In addition, the limitations of these numerical methodologies are discussed.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 2076-3417
EISSN: 2076-3417
DOI: 10.3390/app8122440
Source: Open Access: DOAJ Directory of Open Access Journals
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central

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Delamination Buckling and Crack Propagation Simulations in Fiber-Metal Laminates Using xFEM and Cohesive Elements

2018. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2076-3417 ;EISSN: 2076-3417 ;DOI: 10.3390/app8122440

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