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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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Allegri, Giuliano
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Fuzzy overbraids for improved structural performance
- 2024Evaluation of manufacturing methods for pultruded rod based hierarchical composite structural members with minimal porosity
- 2024Cobotic manufacture of hierarchically architectured composite materials
- 2024Characterisation of Highly-Aligned, Discontinuous, Fibre Composites for Compressive Performance
- 2023Assessing the mechanical and static aeroelastic performance of cellular Kirigami wingbox designscitations
- 2023Assessing the mechanical and static aeroelastic performance of cellular Kirigami wingbox designscitations
- 2023Fatigue Delaminations in Composites for Wind Turbine Blades with Artificial Wrinkle Defectscitations
- 2023Fatigue Delaminations in Composites for Wind Turbine Blades with Artificial Wrinkle Defectscitations
- 2023Failure analysis of unidirectional composites under longitudinal compression considering defects
- 2022MANUFACTURING OF NOVEL HIERARCHICAL HYBRIDISED COMPOSITES
- 2022MANUFACTURING OF NOVEL HIERARCHICAL HYBRIDISED COMPOSITES
- 2022Embedding artificial neural networks into twin cohesive zone models for composites fatigue delamination prediction under various stress ratios and mode mixitiescitations
- 2022Sensing delamination in composites reinforced by ferromagnetic Z-pins via electromagnetic inductioncitations
- 2021A route to sustainable aviationcitations
- 2021Embedding artificial neural networks into twin cohesive zone models for composites fatigue delamination prediction under various stress ratios and mode mixitiescitations
- 2021Effects of ferromagnetic & carbon-fibre Z-Pins on the magnetic properties of compositescitations
- 2021Mode I and Mode II interfacial fracture energy of SiC/BN/SiC CMCscitations
- 2020An energy-equivalent bridging map formulation for modelling delamination in through-thickness reinforced composite laminatescitations
- 2020A Unified Formulation for Fatigue Crack Onset and Growth via Cohesive Zone Modelling
- 2019Coupon scale Z-pinned IM7/8552 delamination tests under dynamic loadingcitations
- 2019Z-Pin Through-thickness enhancement of a composite laminate with variable thickness
- 2018Dynamic bridging mechanisms of through-thickness reinforced composite laminates in mixed mode delaminationcitations
- 2017Dynamic bridging mechanisms of through-thickness reinforced composite laminates in mixed mode delaminationcitations
- 2016An Experimental Investigation into Multi-Functional Z-pinned Composite Laminatescitations
- 2016On the delamination self-sensing function of Z-pinned composite laminatescitations
- 2016A Simplified Layered Beam Approach for Predicting Ply Drop Delamination in Thick Composite Laminatescitations
- 2015Through-thickness sensing of single Z-pin reinforced composite laminates
- 2015A cut-ply specimen for the mixed-mode fracture toughness and fatigue characterisation of FRPscitations
- 2013A new semi-empirical law for variable stress-ratio and mixed-mode fatigue delamination growthcitations
- 2013Buffeting mitigation using carbon nanotube composites: a feasibility studycitations
- 2013Buffeting mitigation using carbon nanotube compositescitations
- 2010An approach for dealing with high local stresses in finite element analysescitations
Places of action
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article
An approach for dealing with high local stresses in finite element analyses
Abstract
Highly localised through-thickness stress concentrations, higher than the strength of the material, may occur when a linear elastic finite element analysis of a composite structure is performed. Such stresses may be caused by real geometrical or material discontinuities or by artefacts in the model. The objective of this paper is to present a validated approach to determine when these high stresses will not lead to failure by delamination or matrix cracking and can therefore be ignored. Named as the High Stress Concentration (HSC) method, the approach presented in this paper is found to provide good results when applied to several finite element analyses, and is also in agreement with experimental data. ; Highly localised through-thickness stress concentrations, higher than the strength of the material, may occur when a linear elastic finite element analysis of a composite structure is performed. Such stresses may be caused by real geometrical or material discontinuities or by artefacts in the model. The objective of this paper is to present a validated approach to determine when these high stresses will not lead to failure by delamination or matrix cracking and can therefore be ignored. Named as the High Stress Concentration (HSC) method, the approach presented in this paper is found to provide good results when applied to several finite element analyses, and is also in agreement with experimental data.