Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/4536
Title: Modeling of interactive buckling in sandwich struts with functionally graded cores
Authors: Wadee, M. Ahmer 
Völlmecke, Christina 
Yiatros, Stylianos 
metadata.dc.contributor.other: Γιατρός, Στυλιανός
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Keywords: Structural stability;Buckling;Postbuckling;Sandwich structures;Struts;Interactive buckling;Functionally graded materials;Sandwich structures
Issue Date: Aug-2013
Source: Journal of Engineering Mechanics, 2013, vol. 139, no. 8, pp. 952–960
Volume: 139
Issue: 8
Start page: 952
End page: 960
Journal: Journal of Engineering Mechanics 
Abstract: An analytical pilot model for interactive buckling in sandwich struts with cores made from a functionally graded material based on total potential energy principles is presented. Using a Timoshenko beam approach, a system of nonlinear differential and integral equations is derived that predicts critical and secondary instabilities. These are validated against numerical simulations performed within the commercial finite-element package Abaqus. Good agreement is found, and this offers encouragement for more elaborate models to be devised that can account for face-core delamination—a feature where functionally graded materials are known to offer distinct advantages.
URI: https://hdl.handle.net/20.500.14279/4536
ISSN: 19437889
DOI: 10.1061/(ASCE)EM.1943-7889.0000470
Rights: © American Society of Civil Engineers
Type: Article
Affiliation : Cyprus University of Technology 
Imperial College London 
Technische Universität Berlin 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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