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Modelling the effective properties of magneto-electro-elastic three-dimensional cellular solids

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2020

Authors

Kannan, Sandhya, author
Heyliger, Paul, advisor
Chen, Suren, committee member
Puttlitz, Christian, committee member

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Abstract

Cellular solid foams are increasingly used in various industries right from disposable coffee cups to crash padding of an aircraft cockpit. Hence it is important to understand the structure and properties of cellular solids and the ways their properties can be utilized in engineering design. Using the method of Finite Element analysis three-dimensional cellular solids made up of Magneto-Electro-Elastic (MEE) materials were studied. A FORTRAN code was written to implement the models in order to determine the effective mechanical properties for the solid under study. Computational model was created and properties such as elastic, piezoelectric and piezomagnetic and permittivity were studied as a function of relative density. Result obtained for purely elastic properties were plotted against the relative density. Different thickness of the three-dimensional foam under consideration was studied by varying the Poisson's ratio. The obtained results of the jack packed cellular foam analysis gave a similar behavior of other foam structures thus verifying the accuracy of the model.

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