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Validation of low velocity impact modelling on different stacking sequences of CFRP laminates and influence of fibre failure

Hongkarnjanakul, Natthawat and Bouvet, Christophe and Rivallant, Samuel Validation of low velocity impact modelling on different stacking sequences of CFRP laminates and influence of fibre failure. (2013) Composite Structures, 106. 549-559. ISSN 0263-8223

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Official URL: http://dx.doi.org/10.1016/j.compstruct.2013.07.008

Abstract

This paper presents a validation of low-velocity impact Finite Element (FE) modelling. Based on switching ply location of reference layup [02,452,902,-452]s T700GC/M21 laminated plates from Bouvet et al. (2012) [1], twelve possible layups under a constraint of double-ply, mirror-symmetric, balanced, and quasi- isotropic are allowed. However only seven layups are chosen for the study and one of them reveals the importance of longitudinal fibre compressive failure during impact events. Therefore, the second aspect of this work is the introduction of a fibre compressive failure law associated with fracture damage development. This makes it possible to improve the simulation for all seven different layups. Good correspondence is achieved between simulation and experiment for aspects such as delamination areas/shapes and force–displacement responses. The influence of the addition of fibre compressive failure according to fracture toughness in mode I is discussed.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Composite structures website: http://www.sciencedirect.com/science/journal/02638223/106/supp/C
HAL Id:hal-00858522
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: christophe bouvet
Deposited On:05 Sep 2013 13:35

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