On the dynamic fragmentation of glass: a meso-damage model

Xavier Brajer (1, 2) , François Hild (1) , Stéphane Roux (1)

1 LMT - Laboratoire de Mécanique et Technologie
2 SGR - Saint-Gobain Recherche

This paper presents an 1 anisotropic damage model to deal with the fragmentation induced by impact loadings on glass samples. As small-scale (i.e., subelement) damage is described as well as cracks extending above the element scale, an approach referred to as “meso-damage” is developed. The latter, which is based on the knowledge of random distributions of initiation sites, predicts different regimes such as single or multiple fragmentation. The experimental opening crack pattern obtained in edge-on-impact test is reproduced numerically.

Mots clés: FE simulations; Fragmentation regime; Non-local damage; Poisson-Weibull model

Domaines: Mécanique des matériaux [physics.class-ph]; Mécanique des matériaux [physics.class-ph]

Xavier Brajer, François Hild, Stéphane Roux. On the dynamic fragmentation of glass: a meso-damage model. International Journal of Fracture, 2010, 163, pp.121-131. ⟨10.1007/s10704-009-9421-9⟩. ⟨hal-00430487⟩