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Steel and Composite Structures
  Volume 19, Number 1, July 2015 , pages 93-110

Thermomechanical effects on the bending of antisymmetric cross-ply composite plates using a four variable sinusoidal theory
F. Chattibi, Kouider Halim Benrahou, Abdelkader Benachour, K. Nedri and Abdelouahed Tounsi

    The thermomechanical bending response of anti-symmetric cross-ply composite plates is investigated by the use of the simple four variable sinusoidal plate theory. The theory accounts for sinusoidal distribution of transverse shear stress, and satisfies the free transverse shear stress conditions on the top and bottom surfaces of the plate without using shear correction factor. By dividing the transverse displacement into bending and shear parts, the number of unknowns and governing equations for the present theory is reduced, significantly facilitating engineering analysis. The validity of the present theory is demonstrated by comparison with solutions available in the literature. Numerical results are presented to demonstrate the behavior of the system. The influences of aspect ratio, side-to-thickness ratio, thermal expansion coefficients ratio and stacking sequence on the thermally induced response are studied. The present study is relevant to aerospace, chemical process and nuclear engineering structures which may be subjected to intense thermal loads.
Key Words
    thermo-mechanical load; laminated plates; analytical modelling
(1) F. Chattibi, Kouider Halim Benrahou, Abdelkader Benachour, K. Nedri, Abdelouahed Tounsi:
Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, Algeria;
(2) Abdelouahed Tounsi:
Laboratoire des Structures et Matériaux Avancés dans le Génie Civil et Travaux Publics, Université de Sidi Bel Abbes, Faculté de Technologie, Département de Génie Civil, Algeria.

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