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Origami-based Tunable Mechanical Memory Metamaterial for Vibration Attenuation by Hesheng Han; Vladislav Sorokin; Lihua Tang; Dengqing Cao is a Engineering article available to read on EtoBox.

What is Origami-based Tunable Mechanical Memory Metamaterial for Vibration Attenuation about?

Tunable metamaterials without the necessity to redesign parameters and remanufacture have received increasing interest in recent years due to their rich dynamic characteristics and wide potential applications in vibration and sound control. In this work, we propose and analyze a mechanical memory metamaterial with tunability based on the Kresling origami that can easily be reconfigured for vibration attenuation in a desired frequency range. Unlike previous Kresling origami metamaterials in which rotational motion is transferred along the origami chain, rotations are localized in the proposed tunable metamaterial, which avoids introducing rotations between the ends of the metamaterial. The static and dynamic characteristics of the metamaterial are theoretically analyzed based on the truss model of the origami. By utilizing the bi-stability of the Kresling origami module (KOM) with asymmetric stiffness, the metamaterial can achieve rich dynamic behaviour with various memories. Each memory represents a pattern of periodic repeating cells in the metamaterial by switching the stable states of KOMs. The transmissibility and bandgaps of the metamaterial are determined analytically and ver

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Author

Hesheng Han; Vladislav Sorokin; Lihua Tang; Dengqing Cao

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)