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A high-fidelity first-order reliability analysis for shear deformable laminated composite plates

Lookup NU author(s): Professor Peter Gosling, Faimun Faimun

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).


Abstract

This paper presents the complete theoretical development and practical implementation of a first-order reliability analysis for shear deformable laminated composite plates. The choice of plate theory is initially presented as it is important to ensure that a formulation capable of representing realistic physics is used as the basis of the overall simulation tool to reduce epistemic uncertainty as far as possible. The first-order reliability method (FORM) is proposed for the reliability analysis and summarised in the paper, with comparisons made throughout the paper with Monte Carlo simulation. The sensitivities required as part of the FORM algorithm are presented and verified against finite difference approximations. The practical implementation of the computational framework is demonstrated by numerical examples in which the probability failure of plates is calculated with performance criteria based on deflection and stress and uncertainties associated with fibre orientation and ply thickness. (C) 2014 Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Gosling PD, Faimun, Polit O

Publication type: Article

Publication status: Published

Journal: Composite Structures

Year: 2014

Volume: 115

Pages: 12-28

Print publication date: 01/08/2014

Online publication date: 04/05/2014

Date deposited: 14/09/2015

ISSN (print): 0263-8223

ISSN (electronic): 1879-1085

Publisher: Elsevier

URL: http://dx.doi.org/10.1016/j.compstruct.2014.04.007

DOI: 10.1016/j.compstruct.2014.04.007


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