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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azevedo, Nuno Monteiro |
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Lund, Erik
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2023Multi-material and thickness optimization of laminated composite structures subject to high-cycle fatiguecitations
- 2023A matter of coursecitations
- 2023A matter of course:Generating optimal manufacturing instructions from a structural layup plan of a wind turbine bladecitations
- 2022Discrete Material and Thickness Optimization of laminated composites using aggregated high-cycle fatigue constraints
- 2021A simple MATLAB draping code for fiber-reinforced composites with application to optimization of manufacturing process parameterscitations
- 2019Discrete Material and Thickness Optimization of sandwich structurescitations
- 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
- 2014Development of a High-fidelity Experimental Substructure Test Rig for Grid-scored Sandwich Panels in Wind Turbine Bladescitations
- 2014High-fidelity multiaxial testing of composite substructures
- 2013Interlaminar/interfiber Failure of Unidirectional GFRP used for Wind Turbine Blades
- 2013Asymptotic Sampling for reliability analysis of adhesive bonded stepped lap composite jointscitations
- 2012Fatigue Failure of Sandwich Beams with Wrinkle Defects Used for Wind Turbine Blades
- 2012Investigation of failure mechanisms in GFRP sandwich structures with face sheet wrinkle defects used for wind turbine bladescitations
- 2012Interlaminar/interfiber failure of unidirectional GFRP used for wind turbine blades
- 2012Thickness optimization of laminated composites using the discrete material optimization method
- 2012Assessment of Interlaminar/Interfiber Failure of UD GRFP for Wind Turbine Blades
- 2012Reliability analysis of adhesive bonded scarf jointscitations
- 2012Reliability Analysis of Adhesive Bonded Scarf Jointscitations
- 2011Optimization strategies for discrete multi-material stiffness optimizationcitations
- 2004Large Scale FEM of the effective elastic properties of particle reinforced composites
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document
Fatigue Failure of Sandwich Beams with Wrinkle Defects Used for Wind Turbine Blades
Abstract
Glass fiber face sheet/balsa wood core sandwich beams with out-of-plane fiber misalignments/wrinkle defects were subjected to in-plane fully reversed fatigue loading and the failure modes were documented. A fatigue life design limit was estimated using finite element analyses and the Northwestern University failure theory. The presence of the wrinkle defect significantly lowered the fatigue strength, but it was found that the test specimens could reach a pre-defined fatigue life with no signs of damage, by applying a fatigue load below 80% of the estimated design limit.