Vol. 9, No. 4, 2021
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Experimental investigation for the existence of frequency band gap in a microstructure model

Luca Placidi, Mohammed Galal El Sherbiny and Paolo Baragatti

Vol. 9 (2021), No. 4, 413–421
DOI: 10.2140/memocs.2021.9.413
Abstract

This paper aims at investigating experimentally the existence of the frequency band gap in microstructural materials containing a density of resonators. This model belongs to metamaterials which show interesting properties. In particular, the property whose study is the objective of this paper is the capacity of eliminating the vibration amplitude in a specific frequency range, which is called the frequency band gap. To achieve this goal a microstructure model was built using a 3D printer, then it was tested using a shaking table device. The experimental setup and results are obtained. Results discussion and conclusions are offered. They show clearly the interesting existence of the frequency band gap in such microstructure models.

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Keywords
frequency band gap, metamaterials, microstructure, vibration, shaking table device, 3D printer
Mathematical Subject Classification
Primary: 28-04, 37-04
Milestones
Received: 16 April 2021
Revised: 30 May 2021
Accepted: 7 July 2021
Published: 14 March 2022

Communicated by Anil Misra
Authors
Luca Placidi
Engineering faculty
International Telematic University Uninettuno
Roma
Italy
Mohammed Galal El Sherbiny
Faculty of Engineering & Technology
Future University in Egypt (FUE)
New Cairo
Cairo
Egypt
Paolo Baragatti
Engineering faculty
International Telematic University Uninettuno
Roma
Italy