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Modeling of Interactive Buckling in Sandwich Struts with Functionally Graded Cores
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.
Modeling of Interactive Buckling in Sandwich Struts with Functionally Graded Cores
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.
Modeling of Interactive Buckling in Sandwich Struts with Functionally Graded Cores
Yiatros, Stylianos (author) / Wadee, M. Ahmer (author) / Völlmecke, Christina (author)
Journal of Engineering Mechanics ; 139 ; 952-960
2012-08-02
92013-01-01 pages
Article (Journal)
Electronic Resource
English
Modeling of Interactive Buckling in Sandwich Struts with Functionally Graded Cores
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