Study of bending of laminated composite shells. Part I: shells without a cutout

The bending behaviour of fibre reinforced plastic laminated shells without a cutout has been studied using the finite element method based on a higher-order shear deformation theory. The higher-order shear deformation theory is derived by assuming that the transverse displacement is constant through...

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Bibliographic Details
Published in:Composite structures 2001, Vol.51 (1), p.103-116
Main Authors: Sai Ram, K.S., Sreedhar Babu, T.
Format: Article
Language:English
Subjects:
Beams, plates and shells
Computational techniques
Exact sciences and technology
Finite-element and galerkin methods
Fundamental areas of phenomenology (including applications)
Mathematical methods in physics
Physics
Solid mechanics
Structural and continuum mechanics
Structural mechanics (beam, string...)
Theory and numerical methods
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Summary:The bending behaviour of fibre reinforced plastic laminated shells without a cutout has been studied using the finite element method based on a higher-order shear deformation theory. The higher-order shear deformation theory is derived by assuming that the transverse displacement is constant through the thickness of the shell. An eight-noded degenerated isoparametric shell element is considered with nine degrees of freedom at each node. Results are presented showing the variation of deflection and stresses in orthotropic and laminated symmetric/anti-symmetric spherical shell panels with simply supported and clamped boundary conditions subjected to uniform normal pressure.
ISSN:0263-8223
1879-1085
DOI:10.1016/S0263-8223(00)00129-X