Post buckling modelling and optimization of sandwich panels with corrugated cores

H. Asadi, M. Gorji, Danial Ashouri Vajari, A. Khalkhali

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Abstract

In the present study, analytical expressions for critical loads are derived and eigenvalue and post buckling analysis are performed on the panels, using the finite element method, using the commercial software ABAQUS. Genetic algorithm is used to optimization of sandwich panels with periodic, open-cell cores, observing yielding and buckling in components as optimization constraint and then minimum weights for some load capacities are determined. Design variables and cost function are defined as non-dimensional and optimal results are shown by diagrams.
Keyword: Finite element method,Genetic algorithm,Corrugated core,Sandwich panel,Optimization
Original languageEnglish
Title of host publication5th WSEAS / IASME International Conference on ENGINEERING EDUCATION
Publication date2008
Pages451-459
ISBN (Print)978-960-6766-86-2
Publication statusPublished - 2008
Externally publishedYes
EventEE'08 - Hearklion, Greece
Duration: 1 Jan 2008 → …

Conference

ConferenceEE'08
CityHearklion, Greece
Period01/01/2008 → …

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