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Thermo-elastic stability of angle-ply laminates - application of layerwise finite elements

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Authors
Ćetković, Marina
Gyorgy, Lenart
Article (Published version)
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Abstract
In this paper thermal buckling analysis of angle-ply laminates is analysed using Generalized Layerwise Plate Theory (GLPT) of Reddy, /1/. The finite element solution is derived from the weak form of the problem. The nine-node Lagrangian isoparametric finite element is used to derive the element stiffness matrix and geometric stiffness matrix. The originally coded MATLAB programme is used to analyse the effects of side to thickness ratio a/b, aspect ratio a/b, ply-orientation angle theta, modulus ratio E-1/E-2, thermal expansion coefficient ratio. alpha(2)/alpha(1,) temperature distribution and different boundary conditions, on thermoelastic stability of laminated composite plates. The accuracy of the numerical model is verified by comparison with the available results from the literature.
Keywords:
thermo-elastic stability / angle-plylaminates / layerwise finite element
Source:
Structural Integrity and Life-Integritet I Vek Konstrukcija, 2016, 16, 1, 43-48
Publisher:
  • Institut za ispitivanje materijala, Beograd
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)

ISSN: 1451-3749

WoS: 000450116500008

Scopus: 2-s2.0-84969764504
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/752
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  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
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