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Thermal buckling of laminated composite plates using layerwise displacement model

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2016
Authors
Ćetković, Marina
Article (Published version)
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Abstract
In this paper thermal buckling of laminated composite plates, based on Layerwise Theory of Reddy and new version of Layerwise Theory of Reddy, presented for the first time, are formulated using the principle of virtual displacements (PVD). The Navier's analytical solution is derived from the strong form, while the weak form is discretized using the isoparametric finite element approximation. The nine-node Lagrangian isoparametric element is used to derive element stiffness and geometric stiffness matrix. The originally coded MATI.AB program is used to investigate the effects of temperature distribution, side to thickness ratio, aspect ratio, modulus ratio E-1/E-2, thermal expansion coefficient ratio alpha(2)/alpha(1), mesh refinement and boundary conditions on thermal buckling of isotropic, orthotropic and laminated composite plates. The accuracy of the numerical model is verified by comparison with the available results from the literature and some new results are presented.
Keywords:
Thermal buckling / Layerwise plate theories / Laminates / Analytical solution / Finite element solution
Source:
Composite Structures, 2016, 142, 238-253
Publisher:
  • Elsevier Ltd
Projects:
  • Research on condition assessment and improvement methods of civil engineering structures in view of their serviceability, load-bearing capacity, cost effectiveness and maintenance (RS-36048)

DOI: 10.1016/j.compstruct.2016.01.082

ISSN: 0263-8223

WoS: 000372691300022

Scopus: 2-s2.0-84959324653
[ Google Scholar ]
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/797
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  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
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