An assessment of shell theories for buckling ofcircular cylindrical laminated composite panels loaded inaxial compression

Abstract Buckling loads of circular cylindrical laminated composite panels are obtained usingSanders–Koiter (e.g. Sanders, 1959 ; Koiter, 1959 ) , Love (e.g. Love, 1927 ) and Donnell (e.g. Loo, 1957 ) shell theories with a first-order, shear-deformationapproach and a Rayleigh–Ritz method that accounts for different boundary conditions andmaterial anisotropy. Results obtained using Sanders–Koiter, Love, Donnell shell theories arecompared with those obtained from finite element simulations, where the curved panels aremodeled using nine-node quadrilateral continuum-based shell elements that are independent of anyshell theory. Comparisons with finite element results indicate that Donnells theory could be inerror for some lamination schemes and geometrical parameters.

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