Hierarchical honeycomb auxetic metamaterials
Web3 de jul. de 2024 · A novel hierarchical metamaterial with tunable negative Poisson’s ratio is designed by a re-entrant representative unit cell (RUC), which consists of star-shaped subordinate cells. The in-plane mechanical behaviors of star-re-entrant hierarchical metamaterial are studied thoroughly by finite element method, non-dimensional effective … Web1 de ago. de 2024 · In this paper, the influence of the amount and mode of the material removal on the mechanical properties of the auxetic metamaterial is explored through the numerical method. The proposed auxetic metamaterials with lightweight characteristics have potential applications in many fields, e.g., civil engineering, aerospace and vehicle …
Hierarchical honeycomb auxetic metamaterials
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Web16 de dez. de 2015 · A new class of two dimensional metamaterials with negative Poisson’s ratio that contract in transverse directions under uniaxial compressive loads … Web13 de abr. de 2024 · Seismic metamaterials provide an innovative alternative in earthquake engineering by reducing the hazards from seismic waves without modifying the existing structures. Although many seismic metamaterials have been proposed, a design for a broad bandgap at low frequencies is still in demand. In this study, two novel seismic …
Web16 de dez. de 2015 · Europe PMC is an archive of life sciences journal literature. Web1 de nov. de 2024 · Natural materials with hierarchical structures usually have superior mechanical properties. Herein, inspired by the macro–micro coupling deformation …
Web17 de jan. de 2024 · Similar to other types of mechanical metamaterials, the negative Poisson's ratio of auxetics is generally a direct consequence of the topology of their … Web21 de jan. de 2024 · Ghazlan et al designed a new bone-inspired structure possessing superior energy absorption performance compared to honeycomb and re-entrant metamaterials. Hu et al ... to boast the capability of the proposed ZPRs compared to conventional ZPRs and even auxetic metamaterials, the structures named 'I' to 'N' are …
Web1 de fev. de 2024 · By replacing every three edge vertex of a regular hexagonal honeycomb with a smaller hexagon honeycomb unit cell, hierarchical honeycombs of first and second order are constructed by Alqassim [14], it is showed that the in-plane stiffness of hierarchical honeycombs of first and second order can be up to 2 and 3.5 times stiffer …
Webtrant honeycomb hierarchical, strengthened re-entrant auxetic materials and auxetic ma-terials based on a rotating unit mechanism. The next section includes the most promising applications of auxetic metamaterials (both hierarchical and non-hierarchical). In conclusion, there is a summary of known aux-etic and hierarchical auxetic properties ... how many feet has lake powell droppedWebDesign of Hierarchical Microstructures with Isotropic Elastic Stiffness @article{2024DesignOH, title= ... In this paper, a novel auxetic structure with rotating squares with holes is investigated. The unit cell of the structure consists of four units in the shape of a square with cut corners and holes. ... how many feet high is 10 metersWeb23 de mai. de 2024 · Abstract. Acoustic metamaterials (AMMs), especially based on hierarchical honeycomb structure and topology-optimized design with suitable mechanical properties and low-frequency band gaps (BGs), have been studied recently. high waisted g string australiaWeb30 de jan. de 2024 · Auxetic materials have been formed through a variety of preparation protocols. Under special processing conditions, polymer foams and fibers, for example, … high waisted full maxi skirtsWeb16 de dez. de 2015 · Particularly, in this context, the role of hierarchy has been recently explored by Mousanezhad et al. 17 who demonstrated auxetic behavior in a hierarchical … high waisted g string amazonWeb1 de dez. de 2024 · The hourglass shaped auxetic lattice metastructure (homogeneous) has been considered for attaining load-deflection curves under the loading-unloading test in quasi-static strain rate (0.5 mm/min ... high waisted full volume skirtsWebMost conventional materials expand in transverse directions when they are compressed uniaxially resulting in the familiar positive Poisson’s ratio. Here we develop a new class … high waisted full briefs plus size