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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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Garoz Gómez, David
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2020Influencing parameters on measurement accuracy in dynamic mechanical analysis of thermoplastic polymers and their compositescitations
- 2020Mesoscale finite element analysis of cracked composite laminates under out-of-plane loads using 3D periodic boundary conditionscitations
- 2019Consistent application of periodic boundary conditions in implicit and explicit finite element simulations of damage in compositescitations
- 2019Model to accurately predict out-of-plane shear stiffness reduction in general cracked laminatescitations
- 2019Mesoscale analysis of ply-cracked composite laminates under in-plane and flexural thermo-mechanical loadingcitations
- 2018Stress-strain synchronization for high strain rate tests on brittle compositescitations
- 2016Drop: weight impact response measurement and prediction for quasi - isotropic carbon - epoxy composite laminates
- 2016Micro-scale finite element simulation of the viscoelastic damping in unidirectional fiber reinforced composites
- 2016Testing for tensile rate-dependence in composite laminates
- 2016Avoiding interpenetrations and the importance of nesting in analytic geometry construction for Representative Unit Cells of woven composite laminatescitations
- 2016Numerical study of transitional brittle-to-ductile debonding of a capsule embedded in a matrixcitations
- 2014Crack propagation in micro-encapsulated polymer for self-healing: numerical modelling and experimental validation
- 2007Taylor cones of ionic liquids from capillary tubes as sources of pure ions: The role of surface tension and electrical conductivitycitations
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article
Mesoscale analysis of ply-cracked composite laminates under in-plane and flexural thermo-mechanical loading
Abstract
This article presents a finite element model to predict the thermo-mechanical behavior of ply-cracked composite laminates from their discrete structure at the ply level, Le., the mesostructure, utilizing the second order homogenization method. With the assumption that the cracks are statistically regularly distributed within a composite laminate, the homogenization theory for periodic materials can be employed. Thus, instead of considering the whole laminate under thermo-mechanical loading, a significantly less computationally demanding analysis can be done on a repeated unit cell (RUC). Finite element analyses are performed to determine the accurate stress fields in the RUC under in-plane and flexural out-of-plane loading. During these analyses, the periodic boundary conditions are imposed on the surfaces of the RUC. The macroscopic thermoelastic properties are then derived from the stress/strain fields in the RUC by means of the numerical homogenization scheme. The physical fidelity of the proposed model is shown by good agreement between the predicted thermo-mechanical properties of the considered ply-cracked composite laminates and the corresponding data from experiments and analytical methods. In addition, insightful analyses of ply-cracked laminates with one or more off-axis plies are also conducted. Results from these analyses have been rarely reported in literature and can be utilized for benchmark solutions.