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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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Lopes, Cs
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Topics
Publications (13/13 displayed)
- 2018Fracture behaviour of triaxial braided composites and its simulation using a multi-material shell modelling approach
- 2018Virtual testing of thermoplastic composites
- 2016Physically-sound simulation of low-velocity impact on fiber reinforced laminatescitations
- 2014Fibre steering for shear-loaded composite panels with cutoutscitations
- 2012In-plane stiffness tailoring for the improvement of buckling and strength of composite panels with cut-outs
- 2010Tailoring for strength of composite steered-fibre panels with cutoutscitations
- 2010Damage tolerance of non-conventional laminates with dispersed stacking sequences
- 2009Low-velocity impact damage on dispersed stacking sequence laminates. Part I: Experimentscitations
- 2009Low-velocity impact damage on dispersed stacking sequence laminates. Part II: Numerical simulationscitations
- 2008Variable-stiffness composite panels: Buckling and first-ply failure improvements over straight-fibre laminatescitations
- 2007Progressive failure analysis of tow-placed, variable-stiffness composite panels
- 2007Progressive failure analysis of tow-placed, variable-stiffness composite panelscitations
- 2007Progressive damage analysis of tow-steered composite panels in postbuckling
Places of action
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article
Physically-sound simulation of low-velocity impact on fiber reinforced laminates
Abstract
A high-fidelity virtual tool for the numerical simulation of low-velocity impact damage in unidirectional composite laminates is proposed. A continuum material model for the simulation of intraply damage phenomena is implemented in a numerical scheme as a user subroutine of the commercially available Abaqus finite element package. Delaminations are simulated using of cohesive surfaces. The use of structured meshes, aligned with fiber directions allows the physically-sound simulation of matrix cracks parallel to fiber directions, and their interaction with the development of delaminations. The implementation of element erosion criteria and the application of intraply and interlaminar friction allow for the simulation of fiber splits and their entanglement, which in turn results in permanent indentation in the impacted laminate. It is shown that this simulation strategy gives sound results for impact energies bellow and above the Barely Visible Impact Damage threshold, up to laminate perforation conditions.