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Stress analysis of cross-ply composite laminates with transverse cracks

Yang, Jian and Ye, Jianqiao and Bao, Yiwang (2008) Stress analysis of cross-ply composite laminates with transverse cracks. Mechanics of composite materials, 44 (6). pp. 557-580. ISSN 0191-5665

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Abstract

A boundary-discontinuous Fourier expansion method to analyze the displacements and stresses in cross-ply composite laminates with transverse cracks is presented. The governing equations of the problem are derived on the basis of the generalized plane strain assumption and two-dimensional equations of elasticity. By employing the boundary-discontinuous Fourier expansion method, the governing equations in the form of coupled high-order ODEs are transformed to a set of systems of linear algebraic equations. The method is used to obtain solutions for which published results can be found for comparisons. Compared with the conventional numerical methods for solving coupled high-order ODEs, the method presented is more efficient. Further parametric studies are carried out for cracked laminates with various geometric and material properties.

Item Type: Article
Journal or Publication Title: Mechanics of composite materials
Uncontrolled Keywords: stress transfer ; laminates ; transverse cracks ; ply cracking ; interlaminar stress ; boundary-discontinuous Fourier expansions
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 54223
Deposited By: ep_importer_pure
Deposited On: 21 May 2012 09:04
Refereed?: Yes
Published?: Published
Last Modified: 24 Jan 2014 05:25
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/54223

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