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Lookup NU author(s): Professor Peter Gosling
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© 2023 Elsevier LtdIn this paper, a multi-scale uncertainty analysis framework to deal with hybrid random and interval uncertainties is presented to analyse dynamic characteristics of FRP composite structures. The proposed method consists of a perturbation-based probabilistic analysis, particle swarm optimization interval analysis to address the hybrid uncertainties, and the Mori–Tanaka method based homogenization theory to propagate uncertainties from microscale to macroscale. The proposed numerical approach provides estimates of the natural frequencies of composite plates, with mean and standard deviation lower and upper bounds, at a low computational cost. Numerical examples are presented to demonstrate the feasibility of the proposed method for different forms of composite structures, and also to verify its effectiveness and accuracy in predicting natural frequencies. Results show that the proposed method is highly accurate in calculating the upper and lower frequency bounds for advanced composite laminates under complicated uncertainties.
Author(s): Zhou X-Y, Qian S-Y, Wang N-W, Wu W-Q, Jiang C, Cai CS, Gosling PD
Publication type: Article
Publication status: Published
Journal: Composite Structures
Year: 2023
Volume: 321
Print publication date: 01/10/2023
Online publication date: 05/06/2023
Acceptance date: 01/06/2023
Date deposited: 08/08/2023
ISSN (print): 0263-8223
ISSN (electronic): 1879-1085
Publisher: Elsevier Ltd
URL: https://doi.org/10.1016/j.compstruct.2023.117223
DOI: 10.1016/j.compstruct.2023.117223
ePrints DOI: 10.57711/jyny-mb98
Data Access Statement: Data will be made available on request.
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