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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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Castro, Oscar
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023A tunnelling crack density evolution model for FRP laminates subjected to cyclic multi-axial strain-controlled loadingcitations
- 2023Design of a composite sub-structural beam specimen for investigating tunneling cracks under cyclic loadingcitations
- 2023Towards assessment of fatigue damage in composite laminates using thermoelastic stress analysiscitations
- 2022Propagation of tunnelling cracks in composite materials under strain and force-controlled cyclic loadingcitations
- 2021Optimized method for multi-axial fatigue testing of wind turbine bladescitations
- 2019Cruciform Specimen Designs for Planar Biaxial Fatigue Testing in Composites
- 2018Assessment and propagation of mechanical property uncertainties in fatigue life prediction of composite laminatescitations
- 2018Fatigue strength of composite wind turbine blade structures
- 2015Comparing Fatigue Life Estimations of Composite Wind Turbine Blades using different Fatigue Analysis Tools
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article
Assessment and propagation of mechanical property uncertainties in fatigue life prediction of composite laminates
Abstract
A probabilistic model for estimating the fatigue life of laminated composite materials considering the uncertainty in their mechanical properties is developed. The uncertainty in the material properties is determined from fatigue coupon tests. Based on this uncertainty, probabilistic constant life diagrams are developed which can efficiently estimate probabilistic É›-N curves at any load level and stress ratio. The probabilistic É›-N curve information is used in a reliability analysis for fatigue limit state proposed for estimating the probability of failure of composite laminates under variable amplitude loading cycles. Fatigue life predictions of unidirectional and multi-directional glass/epoxy laminates are carried out to validate the proposed model against experimental data. The probabilistic fatigue behavior of laminates is analyzed under constant amplitude loading conditions as well as under both repeated block tests and spectral fatigue using the WISPER, WISPERX, and NEW WISPER load sequences for wind turbine blades.