A multiscale damage and crack opening model for the prediction of flow path in laminated composite

Autor:	Jean-Charles Malenfant, Jean-Christophe Wahl, Christophe Bois, Michel Danis
Rok vydání:	2014
Předmět:	Crack closure Composite structure Materials science Composite number General Engineering Ceramics and Composites Laminated composites Composite material Composite laminates Scale model Finite element method Leakage (electronics)
Zdroj:	Composites Science and Technology. 97:81-89
ISSN:	0266-3538
DOI:	10.1016/j.compscitech.2014.04.002
Popis:	Laminated composites are increasingly used for fluid storage or transportation. The composite structure generally includes a metallic or polymer liner in order to prevent leakage which can generate a significant increase in cost and mass. The development of a linerless solution thus represents a promising improvement. Nevertheless, composite laminates are subjected to damage which can generate leakage paths at a load level significantly lower than strength load. In this paper, a multiscale approach is used to model the damage state by two physical variables representing the crack density and the delamination length at crack tips. The effect of damage and load on crack opening is evaluated using a batch of finite element simulations on elementary damaged cells. The ply scale model resulting from this work can be used to predict the flow path in any composite laminate subject to any in-plane loading.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::da994e4fe1ec5ea13cd69bcd6bca8e5c https://doi.org/10.1016/j.compscitech.2014.04.002 Zobrazit plný text záznamu Full Text from ScienceDirect