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ARTICLE
From Geometric Transformations to Auxetic Metamaterials
Institute of Solid Mechanics, Romanian Academy, Ctin Mille 15, 010141Bucharest, Romania.E-mails: ligia_munteanu@hotmail.com; veturiachiroiu@yahoo.com
Subsidiary of Technology and Engineering for Nuclear Projects, Atomistilor Street 409, Magurele, Bucharest. E-mail: office@serb.ro
Computers, Materials & Continua 2014, 42(3), 175-204. https://doi.org/10.3970/cmc.2014.042.175
Abstract
The paper introduces a new alternative towards fabrication of auxetic metamaterials (materials with negative Poisson’s ratio) controlled by geometric transformations. These transformations are derived from the theory of small (infinitesimal) elastic deformation superimposed on finite elastic deformations. By using this theory, a cylindrical region filled with initial deformed foam is transformed through deformation into a cylindrical shell region filled with auxetic metamaterial. As an example, the realization of the seismic cloak device becomes a practical possibility.Keywords
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