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Dynamic simulation of crack initiation and propagation in cross-ply laminates by DEM

Yang, Dongmin and Sheng, Yong and Ye, Jianqiao and Tan, Yuanqiang (2011) Dynamic simulation of crack initiation and propagation in cross-ply laminates by DEM. Composites Science and Technology, 71 (11). pp. 1410-1418. ISSN 0266-3538

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Abstract

A representative element of the cross-ply laminate was modeled by the discrete element method (DEM) to analyze the stresses distribution. The DEM modeling results were compared with those from alternative approaches to validate the DEM model. The transverse cracking and interfacial delamination in [0 degrees(1)/90 degrees(3)](s) and [90 degrees(n)/0 degrees(1)](s) cross-ply laminates under transverse loading were analyzed by comparing crack densities as well as stiffness reduction with those from experiments and other numerical methods. It was found that the proposed DEM model can simultaneously capture the transverse cracking and delamination phenomenon, and can predict the variation of crack density and stiffness reduction accurately.

Item Type: Article
Journal or Publication Title: Composites Science and Technology
Uncontrolled Keywords: A. Laminate ; B. Delamination ; C. Transverse cracking ; C. Multiscale modeling ; DEM
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 54209
Deposited By: ep_importer_pure
Deposited On: 18 May 2012 16:11
Refereed?: Yes
Published?: Published
Last Modified: 24 Jan 2014 05:25
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/54209

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