Please use this identifier to cite or link to this item: http://ktisis.cut.ac.cy/handle/10488/4967
Title: Modeling of interactive buckling in sandwich struts with functionally graded cores
Authors: Wadee, M. Ahmer
Völlmecke, Christina
Yiatros, Stylianos 
Keywords: Structural stability;Buckling;Postbuckling;Sandwich structures;Struts;Interactive buckling;Functionally graded materials;Sandwich structures
Category: Civil Engineering;Civil Engineering
Field: Engineering and Technology
Issue Date: 2013
Publisher: American Society of Civil Engineers
Source: Journal of Engineering Mechanics, 2013, Volume 139, Number 8, Pages 952–960
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: http://ktisis.cut.ac.cy/handle/10488/4967
ISSN: 1943-7889
DOI: 10.1061/(ASCE)EM.1943-7889.0000470
Rights: © American Society of Civil Engineers
Type: Article
Appears in Collections:Άρθρα/Articles

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