Communication science et technologie
Volume 12, Numéro 1, Pages 75-84
2014-01-01

Free Vibration Of Spherical Shell Using Finite Element Approach



Authors : M. Bouazza . A. Lairedj . D. Ouinas . A. Hamouine .

Abstract

Abstract: Free vibration analysis of doubly curved composite spherical shell panel is investigated using FEM. The frequency–amplitude relations for the free vibrated spherical shell are computed using eigenvalue formulation and are solved employing a direct iterative procedure using Ansys 12; two types of modeling are proposed: Shell99 and Shell281. Effects of moisture and temperature on the vibration characteristics of laminated composite shells are examined.

Keywords

stacking sequences, free vibration, spherical shell, finite element approach.

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