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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lindgaard, Esben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024An accurate forming model for capturing the nonlinear material behaviour of multilayered binder-stabilised fabrics and predicting fibre wrinklingcitations
- 2024That’s how the preform crumples: Wrinkle creation during forming of thick binder-stabilised stacks of non-crimp fabricscitations
- 2024MatrixCraCS: Automated tracking of matrix crack development in GFRP laminates undergoing large tensile strains
- 2024Parametric study on the effect of material properties, tool geometry, and tolerances on preform quality in wind turbine blade manufacturingcitations
- 2023Benchmark test for mode I fatigue-driven delamination in GFRP composite laminatescitations
- 2023Benchmark test for mode I fatigue-driven delamination in GFRP composite laminates: Experimental results and simulation with the inter-laminar damage model implemented in SAMCEFcitations
- 2022Simulation of Wrinkling during Forming of Binder Stabilized UD-NCF Preforms in Wind Turbine Blade Manufacturingcitations
- 2022Delamination toughening of composite laminates using weakening or toughening interlaminar patches to initiate multiple delaminationscitations
- 20213D progressive fatigue delamination model:Deliverable 5.1
- 20213D progressive fatigue delamination model
- 2021A simple MATLAB draping code for fiber-reinforced composites with application to optimization of manufacturing process parameterscitations
- 2021Transition-behaviours in fatigue-driven delamination of GFRP laminates following step changes in block amplitude loadingcitations
- 2021UPWARDS Deliverable D5.4:Report and data on the effect of fatigue loading history on damage development
- 2021A continuum damage model for composite laminatescitations
- 2019Formulation of a mixed-mode multilinear cohesive zone law in an interface finite element for modelling delamination with R-curve effectscitations
- 2019Parametric study of the effect of wrinkle features on the strength of a tapered wind turbine blade sub-structurecitations
- 2019An evaluation of mode-decomposed energy release rates for arbitrarily shaped delamination fronts using cohesive elementscitations
- 2019Experimental characterization of delamination in off-axis GFRP laminates during mode I loadingcitations
- 2017A benchmark study of simulation methods for high-cycle fatigue-driven delamination based on cohesive zone modelscitations
- 2016Post-buckling optimization of composite structures using Koiter's methodcitations
- 2015Simulation Methods for High-Cycle Fatigue-Driven Delamination using Cohesive Zone Models - Fundamental Behavior and Benchmark Studies
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article
Delamination toughening of composite laminates using weakening or toughening interlaminar patches to initiate multiple delaminations
Abstract
<p>A numerical study on toughening laminated composite materials against delamination by initiating multiple interlaminar cracks is presented. Different configurations of interface toughening and weakening patches, that modify the interface properties at selected locations, are investigated as a way to trigger multiple delaminations. Both interface toughening and weakening patches can be configured to toughen the laminated material by initiating multiple delaminations. The initiation of multiple delaminations and the increase in toughness depend on the interface strengths and toughness of the patches. The main mechanisms behind the initiation of multiple delaminations for both cases are presented. An adaptive refinement method implemented within a Matlab Finite Element Analysis code that models the interfaces of the laminate with cohesive elements is used for the analyses. The adaptive refinement framework allows efficient analysis of multiple delaminations with very fine meshes at the wake of the crack tips. A discussion on the overall performance of the toughening concept, and the main parameters affecting the results, i.e. the length of the interface toughening or weakening patches, the distance of the substrate between the affected interfaces, and the material's mechanical properties, is carried out. The results presented in the paper show that a toughening effect against delamination can be achieved using interface toughening or weakening patches to onset multiple delaminations.</p>