Analytical and numerical analysis of the modified 2D arc-star-shaped structure with negative Poisson’s ratio

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Published: Mar 5, 2024
DOI: https://doi.org/10.5937/engtoday2400004S
Keywords:
Mechanical metamaterial, Auxetic material, Negative Poisson’s ratio (NPR), Arc-star-shaped structure, Young’s modulus, Re-entrant structure, Finite element method (FEM), 3D design

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Vladimir Sinđelić
University of Kragujevac, Faculty of Mechanical and Civil Engineering in Kraljevo, Kraljevo, Serbia
Aleksandar Nikolić
University of Kragujevac, Faculty of Mechanical and Civil Engineering in Kraljevo, Kraljevo, Serbia
Nebojša Bogojević
University of Kragujevac, Faculty of Mechanical and Civil Engineering in Kraljevo, Kraljevo, Serbia
Snežana Ćirić Kostić
University of Kragujevac, Faculty of Mechanical and Civil Engineering in Kraljevo, Kraljevo, Serbia
Giangiacomo Minak
Alma Mater Studiorum University of Bologna, Department of Industrial Engineering, Bologna, Italy

Abstract

The Poisson’s ratio represents one of the very important characteristics of mechanical metamaterials. Thanks to additive manufacturing, it is now much simpler to create structures for the study of Poisson’s ratio. Particularly, for research purposes, re-entrant structures are of interest as they can exhibit negative values of Poisson’s ratio. Due to their capabilities, such structures find extensive applications across various industries. The modified arc-star-shaped (m2D-AS) has been studied analytically and numerically, and the negative Poisson’s ratio (NPR) and Young’s modulus has been examined for different geometric parameters of the structure.

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How to Cite
[1]
V. Sinđelić, A. Nikolić, N. Bogojević, S. Ćirić Kostić, and G. Minak, “Analytical and numerical analysis of the modified 2D arc-star-shaped structure with negative Poisson’s ratio ”, ET, vol. 3, no. 1, Mar. 2024.
Issue
Vol. 3 No. 1 (2024): Engineering TODAY
Section
Original Scientific Papers

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