Mechanical Metastructure in Structural Engineering: A Short Review

Cvetićanin, L.

doi:10.33552/ctcse.2020.06.000633

CTCSE

2020

DOI: 10.33552/ctcse.2020.06.000633

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Mechanical Metastructure in Structural Engineering: A Short Review

L. Cvetićanin

Abstract: This work is licensed under Creative Commons Attribution 4.0 License CTCSE.MS.ID.000633.

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Structured materials with unprecedented tunable properties have been increasingly developed in recent years and have found applications in robotics, [1,2] electronics, [3] energy harvesting systems, [4,5] biomedical engineering, [6] aerospace engineering, [7,8] structural engineering, [9] etc. [10][11][12] These materials, which are referred to as metamaterials, are engineered to exhibit properties that are derived from their architecture, rather than constituent materials.

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Double‐Spirals Offer the Development of Preprogrammable Modular Metastructures

2023

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Metamaterials with adjustable, sometimes unusual properties offer advantages over conventional materials with predefined mechanical properties in many technological applications. A group of metamaterials, called modular metamaterials or metastructures, are developed through the arrangement of multiple, mostly similar building blocks. These modular structures can be assembled using prefabricated modules and reconfigured to promote efficiency and functionality. Herein, a novel modular metastructure is developed by taking advantage of the high compliance of preprogrammable double‐spirals. First, the mechanical behavior of a four‐module metastructure under tension, compression, rotation, and sliding is simulated using the finite‐element method. Then, 3D printing and mechanical testing are used to illustrate the tunable anisotropic and asymmetric behavior of the spiral‐based metastructures in practice. The results show the simple reconfiguration of the presented metastructure toward the desired functions. The mechanical behavior of single double‐spirals and the characteristics that can be achieved through their combinations make our modular metastructure suitable for various applications in robotics, aerospace, and medical engineering.

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Double‐Spirals Offer the Development of Preprogrammable Modular Metastructures

2023

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Mechanical Metastructure in Structural Engineering: A Short Review

Abstract: This work is licensed under Creative Commons Attribution 4.0 License CTCSE.MS.ID.000633.

Cited by 1 publication

References 19 publications

Double‐Spirals Offer the Development of Preprogrammable Modular Metastructures

Double‐Spirals Offer the Development of Preprogrammable Modular Metastructures

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