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Applied Composite Materials | 2012

Rubber Impact on 3D Textile Composites

Sebastian Heimbs; Björn Van Den Broucke; Yann Duplessis Kergomard; Frédéric Dau; Benoit Malherbe

A low velocity impact study of aircraft tire rubber on 3D textile-reinforced composite plates was performed experimentally and numerically. In contrast to regular unidirectional composite laminates, no delaminations occur in such a 3D textile composite. Yarn decohesions, matrix cracks and yarn ruptures have been identified as the major damage mechanisms under impact load. An increase in the number of 3D warp yarns is proposed to improve the impact damage resistance. The characteristic of a rubber impact is the high amount of elastic energy stored in the impactor during impact, which was more than 90% of the initial kinetic energy. This large geometrical deformation of the rubber during impact leads to a less localised loading of the target structure and poses great challenges for the numerical modelling. A hyperelastic Mooney-Rivlin constitutive law was used in Abaqus/Explicit based on a step-by-step validation with static rubber compression tests and low velocity impact tests on aluminium plates. Simulation models of the textile weave were developed on the meso- and macro-scale. The final correlation between impact simulation results on 3D textile-reinforced composite plates and impact test data was promising, highlighting the potential of such numerical simulation tools.


Computational Mechanics | 2014

A coupling strategy for adaptive local refinement in space and time with a fixed global model in explicit dynamics

Omar Bettinotti; Olivier Allix; Benoit Malherbe


International Journal for Numerical Methods in Engineering | 2014

A fast weakly intrusive multiscale method in explicit dynamics

Omar Bettinotti; Olivier Allix; Umberto Perego; Victor Oancea; Benoit Malherbe


Finite Elements in Analysis and Design | 2017

Simulation of delamination under impact using a global–local method in explicit dynamics

Omar Bettinotti; Olivier Allix; Umberto Perego; Victor Oancea; Benoit Malherbe


World Congress on Computational Mechanics XI | 2014

A weakly-intrusive coupling scheme in space and time for localized effects in explicit dynamics.

Omar Bettinotti; Olivier Allix; Benoit Malherbe; Victor Oancea


The Third International Conference on Computational Modeling of Fracture and Failure of Materials and Structures CFRAC 2013 | 2013

Towards a weakly intrusive space-time multi-scale strategy for the prediction of delamination under impact.

Omar Bettinotti; Olivier Allix; Benoit Malherbe; Victor Oancea


Coupled Problems in Science and Engineering COUPLED 2013 | 2013

Space-time Local/adaptive - Global/fixed coupling strategy for simulation of impact on composite structures.

Olivier Allix; Omar Bettinotti; Benoit Malherbe


CSMA 2013 11e Colloque National en Calcul des Structures | 2013

Stratégie de couplage locale/adaptative - globale/fixe en temps-espace pour la simulation d'impact sur structures composites.

Omar Bettinotti; Olivier Allix; Benoit Malherbe


12th U. S. National Congress on Computational Mechanics USNCCM12 | 2013

A Space-Time Multiscale Coupling Strategy for Predicting Delamination Due to Impacts.

Omar Bettinotti; Olivier Allix; Benoit Malherbe; Victor Oancea


10e colloque national en calcul des structures | 2011

Vers une stratégie multiéchelle temps-espace pour l'analyse des grands délaminages en dynamique transitoire

Chloé Dupleix-Couderc; Olivier Allix; Fabrice Gatuingt; Benoit Malherbe

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Olivier Allix

Université Paris-Saclay

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Frédéric Dau

Arts et Métiers ParisTech

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