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Numerical modeling of laser-induced shock experiments for the development of the adhesion test for bonded composite materials

Article dans une revue avec comité de lecture
Author
ECAULT, Romain
244009 Airbus Group Innovations [Suresnes]
118112 Institut Pprime [UPR 3346] [PPrime [Poitiers]]
TOUCHARD, Fabienne
118112 Institut Pprime [UPR 3346] [PPrime [Poitiers]]
BOUSTIE, Michel
118112 Institut Pprime [UPR 3346] [PPrime [Poitiers]]
BERTHE, Laurent
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
DOMINGUEZ, Nicolas
222633 Département Imagerie et Simulation pour le Contrôle (CEA, LIST) [DISC (CEA, LIST)]
535967 Airbus Group Innovations [Toulouse]

URI
http://hdl.handle.net/10985/16782
DOI
10.1016/j.compstruct.2016.05.032
Date
2016
Journal
Composite Structures

Abstract

In this work, laser shock experiments on composite material are modeled. Focus is made on the development of a reliable numerical model to be used for the laser shock wave adhesion test of bonded composites. Technique principle is explained as well as the laser shock experiment procedure. Then, the numerical investigations are presented. A calibration method is given to set the model input parameters, and the modeling choices are detailed. Dynamic material parameters are identified thanks to experimental results, and validated through a complete campaign of laser shocks on various carbon fiber reinforced plastic (CFRP) materials (monolithic and bonded). Finally, numerical results for bonded composites are discussed. They enable to understand the stress distribution within the composite assembly during the wave propagation. This is a key step toward the development of a reliable and controlled laser shock adhesion test.

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