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Elastic and initial flexural failure analysis of unsymmetrically laminated cross-ply strips.

Turvey, G. J. and Osman, M. Y. (1996) Elastic and initial flexural failure analysis of unsymmetrically laminated cross-ply strips. Composites Part B: Engineering, 27 (5). pp. 505-518.

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Abstract

A finite difference version of the Dynamic Relaxation (DR) method is used to generate elastic solutions of the small and the large deflection Mindlin plate equations for unsymmetrically laminated cross-ply strips subjected to uniform lateral pressure. The Maximum Stress (Independent) and Tsai-Hill failure criteria are combined with these solutions to produce initial failure analyses. It is shown that coupling between bending and stretching due to the B11 stiffness term can cause a considerable increase or decrease in the flexural stiffness of simply supported in-plane fixed strips relative to the equivalent orthotropic strips but not necessarily in the corresponding failure pressures. It is also found that the predictions of the two failure criteria are in close agreement.

Item Type: Article
Journal or Publication Title: Composites Part B: Engineering
Uncontrolled Keywords: composites ; strips ; laminates ; flexure ; failure
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 20440
Deposited By: ep_ss_importer
Deposited On: 11 Dec 2008 14:33
Refereed?: No
Published?: Published
Last Modified: 24 Jan 2014 05:15
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/20440

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