On Modelling of Laminates Containing Free-Edge Delaminations

Harikumar, HK and Murty, Krishna AV (1991) On Modelling of Laminates Containing Free-Edge Delaminations. In: Composites Science and Technology, 42 (4). pp. 393-411.

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Abstract

The stress field ahead of the delamination tip and the strain-energy release rate in symmetric composite laminates with mid-plane delamination subjected to mechanical and thermal strains have been studied with the aid of a modified form of the Whitney-Sun theory. The procedure considers the laminate crosssection in three zones based on the geometry. Governing equations have been derived from the principle of virtual displacements, and solutions have been obtained by enforcing the boundary and continuity conditions. Interlaminar normal stresses ahead of the delamination tip and the strain-energy release rates are presented for various sizes of the delamination and are compared with some of those available in the literature.

Item Type:	Journal Article
Publication:	Composites Science and Technology
Publisher:	Elsevier
Additional Information:	Copyright of this article belongs to Elsevier.
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	07 Sep 2006
Last Modified:	19 Sep 2010 04:31
URI:	http://eprints.iisc.ac.in/id/eprint/8428

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