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NEW THEORIES FOR SYMMETRICAL UNSYMMETRIC COMPOSITE AND SANDWICH BEAMS WITH CO FINITE-ELEMENTS

DSpace at IIT Bombay

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Title NEW THEORIES FOR SYMMETRICAL UNSYMMETRIC COMPOSITE AND SANDWICH BEAMS WITH CO FINITE-ELEMENTS
 
Creator MANJUNATHA, BS
KANT, T
 
Description In this paper, a new set of higher order theories for the analysis of composite and sandwich beams by using C0 finite elements is presented. These theories incorporate the more realistic non-linear variation of displacements through the beam thickness, thus eliminating the use of shear correction coefficients. Discrete Lagrangian four-noded cubic element models having five, six and seven degrees of freedom per node are used. The computer program developed incorporates the realistic prediction of interlaminar stresses from equilibrium equations. By comparing the results obtained with the elasticity solution and the classical plate theory, it is shown that the present higher order theories give a much better approximation to the behaviour of thick to thin laminated composite beams. Numerical results for unsymmetric sandwich beams are also presented for future reference.
 
Publisher ELSEVIER SCI LTD
 
Date 2011-07-22T08:36:02Z
2011-12-26T12:52:21Z
2011-12-27T05:35:46Z
2011-07-22T08:36:02Z
2011-12-26T12:52:21Z
2011-12-27T05:35:46Z
1993
 
Type Article
 
Identifier COMPOSITE STRUCTURES, 23(1), 61-73
0263-8223
http://dx.doi.org/10.1016/0263-8223(93)90075-2
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6167
http://hdl.handle.net/10054/6167
 
Language en