Abstract
Abstract In this paper, an analytical solution in closed form is developed to determine stresses (radial and circumferential) made of functionally graded materials subjected to variable thickness and external pressure. The demand in the recent times for a functionally graded materials (FGMs) i.e. materials with spatially varying properties, has attracted attention of many researchers. In this, Poisson ratio is taken as constant and the Young's modulus depends on the radial coordinate only. The purpose of this research is to find an analytical solution of a thin circular annular disk used in various hardware components of computers having a variable thickness profile. The pressure is applied at the external surface of the disk and the results are compared with those available in literature. The results obtained are discussed numerically and depicted graphically.
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