Abstract
A generalised formulation for the analysis of a doubly curved laminated composite shell using an eight-noded curved quadratic isoparametric finite element has already been presented. Based on that formulation, the behaviour of the shell characteristics of the paraboloid of revolution shell using eight types of cross-ply laminates and twelve types of anti-symmetric angle-ply laminates are presented in this paper. A detailed study of the variations of the deflections and other shell actions for the above laminates reveals that symmetric cross-ply laminates appear to be superior to anti-symmetric cross-ply laminates while 45/-45 laminates are superior to 30/-30 and 60/-60 laminates. An overall comparison between cross-ply and angle-ply laminates reveals that angle-ply laminates are more efficient than cross-ply laminates. In general, a decrease in the value of the shell actions is observed with an increase in the number of layers.
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