Buckling of laminated sandwich plates subjected to partial edge compression
Date
2005
Authors
Chakrabarti, A.
Sheikh, A.
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Journal article
Citation
International Journal of Mechanical Sciences, 2005; 47(3):418-436
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Anupam Chakrabarti and Abdul Hamid Sheikh
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Abstract
The buckling characteristics of sandwich plates having laminated stiff layers are studied for different types of partial edge loadings using a refined plate theory. With this plate theory, the through thickness variation of transverse shear stresses is represented by piecewise parabolic functions where the continuity of these stresses is satisfied at the layer interfaces by taking jumps in the transverse shear strains at the interfaces. The transverse shear stresses free condition at the plate top and bottom surfaces is also satisfied. It is quite interesting to note that this plate model having all these refined features requires unknown parameters only at the reference plane. To have a generality in the present analysis, finite element technique is adopted and it is carried out with newly developed triangular element, as existing finite elements cannot accommodate this plate model. So far, no solution exists in the literature for the problem of sandwich plate subjected to partial edge loading. The present analysis is first validated for the case of an isotropic plate subjected to partial edge compression and then it is extended to analyze sandwich plates. Few results are presented. © 2005 Elsevier Ltd. All rights reserved.
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Copyright © 2005 Elsevier Ltd All rights reserved.