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Modelling impact fracture and fragmentation of laminated glass using the combined finite-discrete element method

Chen, X and Chan, AHC ORCID: 0000-0003-0042-8448 2018 , 'Modelling impact fracture and fragmentation of laminated glass using the combined finite-discrete element method' , International Journal of Impact Engineering, vol. 112 , pp. 15-29 , doi: 10.1016/j.ijimpeng.2017.10.007.

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Abstract

Fracture and fragmentation responses of laminated glass under hard body impact are modelled with the combinedfinite-discrete element method (FEM-DEM). The method is essentially a discrete element method withfinite element mesh be embedded in, yielding more accurate contact forces as well as mass and energy conservation.Failure models of glass, interlayer and glass-interlayer interface are discussed respectively and provento be reliable in simulating the rupture of laminated glass. Numerical examples are presented and validated withresults from different sources, and the advantage of the FEM-DEM modelling on the impact failure of laminatedglass over its parent FEM and DEM is demonstrated. The influences of Young's modulus of interlayer are furtherdiscussed, showing that a stiff resin can effectively improve the deformation performance at little expense ofenergy absorption. In general, modelling the impact failure of laminated glass using the combined finite-discreteelement method is successful.

Item Type: Article
Authors/Creators:Chen, X and Chan, AHC
Keywords: glass, laminated glass, damage, soft impact, FDEM
Journal or Publication Title: International Journal of Impact Engineering
Publisher: Pergamon-Elsevier Science Ltd
ISSN: 0734-743X
DOI / ID Number: 10.1016/j.ijimpeng.2017.10.007
Copyright Information:

© 2017 Elsevier Ltd. All rights reserved.

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