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Steel and Composite Structures
  Volume 24, Number 6, August30 2017 , pages 697-709

Shear buckling analysis of laminated plates on tensionless elastic foundations
Jianghui Dong, Xing Ma, Yan Zhuge and Julie E. Mills

    The current study addresses the local buckling analysis of an infinite thin rectangular symmetrically laminated composite plate restrained by a tensionless Winkler foundation and subjected to uniform in-plane shear loading. An analytic method (i.e., one-dimensional mathematical method) is used to achieve the analytical solution estimate of the contact buckling coefficient. In addition, to study the effect of ply angle and foundation stiffness on the critical buckling coefficients for the laminated composite plates, the parametric studies are implemented. Moreover, the convergence for finite element (FE) mesh is analysed, and then the examples in the parametric study are validated by the FE analysis. The results show that the FE analysis has a good agreement with the analytical solutions. Finally, an example with the analytical solution and FE analysis is presented to demonstrate the availability and feasibility of the presented analytical method.
Key Words
    buckling coefficient; contact buckling; finite element analysis; Winkler foundation; laminated composite plate
School of Natural and Built Environments, University of South Australia, Adelaide, SA 5095, Australia.

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