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Steel and Composite Structures
  Volume 12, Number 2, February 2012 , pages 129-147

Thermal buckling analysis of shear deformable laminated orthotropic plates by differential quadrature
S. Moradi and Mohammad Hassan Mansouri

    In this paper, the thermal buckling analysis of rectangular composite laminated plates is investigated using the Differential Quadrature (DQ) method. The composite plate is subjected to a uniform temperature distribution and arbitrary boundary conditions. The analysis takes place in two stages. First, pre-buckling forces due to a temperature rise are determined by using a membrane solution. In the second stage, the critical temperature is predicted based on the first-order shear deformation theory. To verify the accuracy of the method, several case studies were used and the numerical results were compared with those of other published literatures. Moreover, the effects of several parameters such as aspect ratio, fiber orientation, modulus ratio, and various boundary conditions on the critical temperature were examined. The results confirm the efficiency and accuracy of the DQ method in dealing with this class of engineering problems.
Key Words
    thermal buckling; differential quadrature; shear deformation theory; composite plates.
S. Moradi : Mechanical Engineering Department, Shahid Chamran University, Ahvaz, 61355, Iran
Mohammad Hassan Mansouri : NIGC, Isfahan, P.O.Box 85865-1111, Iran

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