Improved mechanical characteristics of new auxetic structures based on stretch-dominated-mechanism deformation under compressive and tensile loadings

E Etemadi, M Gholikord, M Zeeshan, H Hu - Thin-Walled Structures, 2023 - Elsevier
The aim of this paper is to develop two novel in-plane auxetic structures with remarkable
stiffness and negative Poisson's ratio (NPR) appropriate for compression and tensile load …

A novel auxetic unit cell for 3D metamaterials of designated negative Poisson's ratio

J Cui, L Zhang, AK Gain - International Journal of Mechanical Sciences, 2023 - Elsevier
Metamaterials have promising applications in many fields such as those in medical,
electronic and civil engineering. However, the existing unit cell designs for metamaterials …

Modified re-entrant auxetic metamaterials with energy absorption enhancement

E Etemadi, AMM Zamani, F Scarpa, M Zeeshan… - Materials Today …, 2024 - Elsevier
The re-entrant auxetic topology was one of the first unit-cells proposed to build cellular
auxetic structures. This unit cell (UC) is still widely used in energy-absorbing systems, but …

Design, FDM printing, FE and theoretical analysis of auxetic structures consisting of arc-shaped and Dumbell-shaped struts under quasi-static loading

E Etemadi, M Hosseinabadi, F Scarpa, H Hu - Composite Structures, 2023 - Elsevier
This paper presents the design, 3D printing, and testing of this novel type of auxetic structure
formed with arc-shaped unit-cells (UCs). The mechanical behavior of two different re-entrant …

Enhancing the energy absorption capability of auxetic metamaterials through auxetic cells within re-entrant circular units

E Etemadi, M Hosseinabadi, M Taghizadeh… - Engineering …, 2024 - Elsevier
Re-entrant circular (REC) auxetic metamaterials have garnered significant attention in
structural engineering due to their enhanced energy absorption capability and reduced …

Mechanics and Wave Propagation Characterization of Chiral S-Shaped Auxetic Metastructure

Q Zhang, W Hong, J Xu, Y Zhang, S Ding, W Wu… - Acta Mechanica Solida …, 2022 - Springer
Auxetic metastructures have attracted tremendous attention because of their robust
multifunctional properties and promising potential industrial applications. This paper studies …

[PDF][PDF] Design, FDM printing, FE and Theoretical Analysis of ABS Auxetic Structures Consisting of Arc-shaped and Dumbell-shaped Struts under Quasi-Static Loading

E Etemadia, M Hosseinabadi, F Scarpac, H Hua - researchgate.net
This paper presents the design, 3D printing, and testing of this novel type of auxetic structure
formed with arc-shaped unit-cells (UCs). The mechanical behavior of two different re-entrant …