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Stochastic dynamic stability analysis of composite curved panels subjected to non-uniform partial edge loading

S. Dey, T. Mukhopadhyay, S.K. Sahu, S. Adhikari, Sondipon Adhikari

European Journal of Mechanics - A/Solids, Volume: 67, Pages: 108 - 122

Swansea University Author: Sondipon Adhikari

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DOI (Published version): 10.1016/j.euromechsol.2017.09.005

Abstract

The stochastic dynamic stability analysis of laminated composite curved panels under non-uniform partial edge loading is studied using finite element analysis. The system input parameters are randomized to ascertain the stochastic first buckling load and zone of resonance. Considering the effects of...

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Published in: European Journal of Mechanics - A/Solids
ISSN: 0997-7538
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa35623
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Abstract: The stochastic dynamic stability analysis of laminated composite curved panels under non-uniform partial edge loading is studied using finite element analysis. The system input parameters are randomized to ascertain the stochastic first buckling load and zone of resonance. Considering the effects of transverse shear deformation and rotary inertia, first order shear deformation theory is used to model the composite doubly curved shells. The stochasticity is introduced in Love's and Donnell's theory considering dynamic and shear deformable theory according to the Sander's first approximation by tracers for doubly curved laminated shells. The moving least square method is employed as a surrogate of the actual finite element model to reduce the computational cost. The results are compared with those available in the literature. Statistical results are presented to show the effects of radius of curvatures, material properties, fibre parameters, and non-uniform load parameters on the stability boundaries.
Keywords: Composite curved panel; Stochastic dynamic stability; Moving least square method
College: Faculty of Science and Engineering
Start Page: 108
End Page: 122

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