Abstract
ABSTRACTIn this article, the buckling and postbuckling behavior of functionally graded spherical shell panel is examined under nonuniform thermal environment. The effective material properties of the graded structure are evaluated using the Voigt's micromechanical model through the power-law distribution. For the analysis purpose, a general nonlinear higher order mathematical model is developed in conjunction with Green–Lagrange geometrical nonlinearity. The governing equation is derived using variational principle and solved through the direct iterative method. The effect of different geometrical and material parameters on the buckling and postbuckling responses of the functionally graded shell panels is examined and discussed in detail.
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