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Parametric study of honeycomb composite structure using open source finite element software

Albadr, Ahmed, Hedaya, Mohammed, McCrory, John and Holford, Karen ORCID: 2019. Parametric study of honeycomb composite structure using open source finite element software. Presented at: 27th UK Association of Computational Mechanics Conference, City, University of London, London, England, April 2019. -.

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This paper deals with the parametric optimisation of a simply supported sandwich panel made of honeycomb composite structure using sequential quadratic programming SQP. The panel consists of aluminum honeycomb sandwiched between two orthotropic fiberglass faces. The parameters studied are fibreglass thickness, tf, honeycomb height, h, and honeycomb wall thickness, tc. The objective was to minimise weight to bending stiffness ratio by using the nonlinear MATLAB function fmincon, considering the maximum central displacement and intercellular buckling as the constraints. Following this, a static structural analysis was conducted on the optimised structure using the open source finite element solver CalculiX and Salome Platform software for preprocessing. The utmost displacement of the honeycomb panel was desirably less than the serviceability limit. Preliminary results show that composite honeycomb structures can be optimised yielding low weight to bending stiffness ratio using SQP method and CalculiX for design evaluation.

Item Type: Conference or Workshop Item (Paper)
Status: In Press
Schools: Engineering
Funders: Newton-Mosharafa Fund
Date of First Compliant Deposit: 10 June 2019
Date of Acceptance: 21 March 2019
Last Modified: 04 Nov 2022 12:30

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