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Double Arrowhead Auxetic Structures: A Numerical Investigation Under Compressive Loading
A new class of metamaterials known as auxetic/negative Poisson’s ratio (NPR) structures has wide applications in fields where high energy absorption...
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Realizing the impact and compressive strengths of an arrowhead auxetic structure inspired by topology optimization
Auxetic structures have unique properties wherein the structure collapses inward in the lateral direction when compressed longitudinally and expands...
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Evaluation of the mechanical properties of fully integrated 3D printed polymeric sandwich structures with auxetic cores: experimental and numerical assessment
Selection of appropriate topology to use in the core of the sandwich structures is one of the serious challenges ahead to design of them. This study...
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A State of the Art Review of Additively Manufactured Auxetic Structures
Auxetic structures are negative Poisson’s ratio (NPR) structures that expand under tension and contract under compression. These structures are...
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Review of Crashworthiness Studies on Cellular Structures
The application of lightweight structures with excellent energy absorption performance is crucial for enhancing vehicle safety and energy efficiency....
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Bio-inspired design, modeling, and 3D printing of lattice-based scale model scooter decks
This research aims at enhancing the performance of scale-model scooter decks by investigating various architected cellular metamaterial and...
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Energy absorption of 2D auxetic structures fabricated by fused deposition modeling
Auxetic structures have become a very popular subject in recent years due to their interesting physical and mechanical properties such as light...
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Vibroacoustic performance of star-shaped honeycomb-core annular cellular structures
In this paper, the vibroacoustic performance of the star-shaped honeycomb-core annular cellular structures is investigated. The results imply the...
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Design of wide stopband lowpass filter using defected ground structure
In this paper, a wide stopband low-pass filter (LPF) is proposed using the one-cell triangle and cascaded triangle defected ground structure (DGS)....
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Influence of post-processing on additively manufactured lattice structures
The rapid evolution in additive manufacturing (AM) technology advocates a periodic assessment of the recent progress in the process and product...
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Equivalent damper model for honeycomb structures
In practical engineering, we usually hope to find equivalent models for complex structures to simplify their mechanical analysis. Honeycomb structure...
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Energy absorption of multi-scale hierarchically graded auxetic structures: experimental and simulation methods
A novel hierarchical graded structure was designed based on scaling the hierarchical re-entrant cells, and its quasi-static compressive response was...
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Investigation on the flexural properties of sandwich beams with auxetic core
Availing cellular structures as the core of sandwich beams is an innovative approach to improve the efficiency of them. Nonetheless, the flexural...
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On the application of additive manufacturing methods for auxetic structures: a review
Auxetic structures are a special class of structural components that exhibit a negative Poisson’s ratio (NPR) because of their constituent materials,...
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MEMS tunable filters based on DGS and waveguide structures: a literature review
In the last two decades, filters based on defected ground structure (DGS) have been employed in various radio frequency systems, and there has been a...
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SAR reduction of wearable SWB antenna using FSS for wireless body area network applications
A flexible Super Wide Band (SWB) antenna with a frequency selective surface (FSS) reflector is presented to reduce the specific absorption rate (SAR)...
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Crashworthiness of laser powder bed fusion processed In718 auxetic metamaterials
Auxetic structures are well-known metamaterials which have extraordinary properties such as negative Poisson’s ratio, negative linear compressibility...
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Mechanics of Novel Double-Rounded-V Hierarchical Auxetic Structure: Finite Element Analysis and Experiments Using Three-Dimensional Digital Image Correlation
Auxetic design is increasingly being used in applications that demand high strength-to-weight ratio. Auxetic structures are also used for crash...
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4D printed shape memory polymers and their structures for biomedical applications
Shape memory polymers are smart materials that produce shape changes under external stimulus conditions. Four-dimensional (4D) printing is a...
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Crushing performance of auxetic tubes under quasi-static and impact loading
The aim of this paper is to investigate the energy absorption behavior of some reticulated tubes with different auxetic and non-auxetic wall grid...
