POSTBUCKLING OF SYMMETRICALLY LAMINATED, MODERATELY THICK, AXISYMMETRICAL SHALLOW SPHERICAL-SHELLS

被引:11
作者
NATH, Y
SANDEEP, K
机构
[1] Applied Mechanics Department, I. I. T. Delhi, New Delhi
关键词
D O I
10.1016/0020-7403(93)90033-Q
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The paper deals with the buckling and postbuckling behaviour of cylindrically orthotropic, axisymmetric laminated, moderately thick shallow spherical shells under uniformly distributed normal loading. Considering the effects of transverse shear, the governing equations of equilibrium for the shells are derived and expressed in terms of normal deflection WBAR, slope phiBAR and stress function phiBAR. An iterative Chebyshev series solution technique is employed for the buckling and postbuckling analyses. Critical loads are estimated and the effects of boundary conditions, material properties, shell parameter, base radius to thickness ratio and number of layers on the postbuckling behaviour are shown.
引用
收藏
页码:965 / 975
页数:11
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