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Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model

DSpace at IIT Bombay

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Title Free vibration of skew fiber-reinforced composite and sandwich laminates using a shear deformable finite element model
 
Creator GARG, AK
 
Subject higher-order theory
natural frequencies
rhombic plates
higher-order shear deformation theory
skew laminates
free vibration
 
Description A simple C degrees isoparametric finite element model, based on a higher-order shear deformation theory is presented for the free vibration analysis of isotropic, orthotropic, and layered anisotropic composite and sandwich skew laminates. This theory incorporates a realistic nonlinear variation of displacements through the laminate thickness, and eliminates the use of shear correction coefficients. The boundary conditions on the skew edges are imposed through the suitable transformation of element matrices. The accuracy of the present model is demonstrated by comparing with alternative solutions available in the literature. Extensive numerical results are presented for natural frequencies of cross-ply and angle-ply skew laminates with various lamination parameters, skew angles, boundary conditions, and width-to-thickness ratios. New results on skew sandwiches are obtained for different lamination parameters and skew angles.
 
Publisher SAGE PUBLICATIONS LTD
 
Date 2011-08-29T01:41:33Z
2011-12-26T12:58:18Z
2011-12-27T05:48:00Z
2011-08-29T01:41:33Z
2011-12-26T12:58:18Z
2011-12-27T05:48:00Z
2006
 
Type Article
 
Identifier JOURNAL OF SANDWICH STRUCTURES & MATERIALS, 8(1), 33-53
1099-6362
http://dx.doi.org/10.1177/1099636206056457
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11909
http://hdl.handle.net/10054/11909
 
Language en