Stability of laminated composite plates subjected to various types of in-plane loadings

Gajbir Singh, Sheela Nair L. ; Venkateswara Rao, G. (1996) Stability of laminated composite plates subjected to various types of in-plane loadings International Journal of Mechanical Sciences, 38 (2). pp. 191-202. ISSN 0020-7403

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0020-7403(95)00042-V

Abstract

The aim of the present investigation is to examine the stability characteristics of laminated plates subjected to various types of in-plane loadings. Towards this, a rectangular four node finite element, having fourteen degrees of freedom per node, based on a simple higher-order shear deformation theory is developed. The theory employed herein involves four dependent variables. The element is found to be free of shear lock problems. A series of numerical problems are solved to study the effect of various parameters such as lay-up, side to thickness ratio, aspect ratio, type of loadings (uniaxial/biaxial/positive and negative shear/tension-compression/compression-tension) and boundary conditions. Some interesting observations regarding the considerable difference in the buckling resistance of angle-ply plates when subjected to positive and negative shear loading are made.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:53764
Deposited On:09 Aug 2011 11:17
Last Modified:09 Aug 2011 11:17

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