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Meso-scale modelling of 3D woven composite T-joints with weave variations

Yan, Shibo; Zeng, Xuesen; Long, Andrew

Authors

Xuesen Zeng

ANDREW LONG ANDREW.LONG@NOTTINGHAM.AC.UK
Provost and Deputy Vice-Chancellor



Abstract

A meso-scale modelling framework is proposed to simulate the 3D woven fibre architectures and the mechanical performance of the composite T-joints, subjected to quasi-static tensile pull-off loading. The proposed method starts with building the realistic reinforcement geometries of the 3D woven T-joints at the mesoscale, of which the modelling strategy is applicable for other types of geometries with weave variations at the T-joint junction. Damage modelling incorporates both interface and constituent material damage, in conjunction with a continuum damage mechanics approach to account for the progressive failure behaviour. With a voxel based cohesive zone model, the proposed method is able to model mode I delamination based on the voxel mesh technique, which has advantages in meshing. Predicted results are in good agreement with experimental data beyond initial failure, in terms of load-displacement responses, failure events, damage initiation and propagation. The significant effect of fibre architecture variations on mechanical behaviour is successfully predicted through this modelling method without any further correlation of input parameters in damage model. This predictive method will facilitate the design and optimisation of 3D woven T-joint preforms.

Journal Article Type Article
Publication Date Feb 8, 2019
Journal Composites Science and Technology
Print ISSN 0266-3538
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 171
Pages 171-179
APA6 Citation Yan, S., Zeng, X., & Long, A. (2019). Meso-scale modelling of 3D woven composite T-joints with weave variations. Composites Science and Technology, 171, 171-179. https://doi.org/10.1016/j.compscitech.2018.12.024
DOI https://doi.org/10.1016/j.compscitech.2018.12.024
Keywords Textile composites; Mechanical properties; Modelling; Finite element analysis (FEA)
Publisher URL https://www.sciencedirect.com/science/article/pii/S026635381831234X?via%3Dihub
Additional Information This article is maintained by: Elsevier; Article Title: Meso-scale modelling of 3D woven composite T-joints with weave variations; Journal Title: Composites Science and Technology; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.compscitech.2018.12.024; Content Type: article; Copyright: © 2018 The Authors. Published by Elsevier Ltd.

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