On Perturbation Solutions for Axisymmetric Bending Boundary Values of a Deep Thin Spherical Shell

Rong Xiao, Danhui Dan and Wei Cheng

Mathematical Problems in Engineering, 2014, vol. 2014, 1-12

Abstract:

On the basis of the general theory of elastic thin shells and the Kirchhoff-Love hypothesis, a fundamental equation for a thin shell under the moment theory is established. In this study, the author derives Reissner’s equation with a transverse shear force and the displacement component . These basic unknown quantities are derived considering the axisymmetry of the deep, thin spherical shell and manage to constitute a boundary value question of axisymmetric bending of the deep thin spherical shell under boundary conditions. The asymptotic solution is obtained by the composite expansion method. At the end of this paper, to prove the correctness and accuracy of the derivation, an example is given to compare the numerical solution by ANSYS and the perturbation solution. Meanwhile, the effects of material and geometric parameters on the nonlinear response of axisymmetric deep thin spherical shell under uniform external pressure are also analyzed in this paper.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:903861

DOI: 10.1155/2014/903861

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