2022
DOI: 10.1088/1361-6463/ac7480
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Low frequency broadband bandgaps in elastic metamaterials with two-stage inertial amplification and elastic foundations

Abstract: This paper proposes two improved elastic metamaterials (EMs) by separately introducing the two-stage inertial amplification structures and introducing the structures and elastic foundations simultaneously based on the existing EMs. Firstly, the dynamic analysis of the unit cells and the calculation of band structures are carried out, the bandgap characteristics of proposed systems are taken a comparative analysis with those of existing EMs, and the bandgap formation mechanism is clarified by the effective para… Show more

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Cited by 8 publications
(1 citation statement)
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References 65 publications
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“…As significant advances in engineering structures, metamaterials have attracted increasing attention for their applications in controlling wave propagation and vibration reduction [1][2][3]. Metamaterials are composed of artificial periodic structures that are designed to achieve novel physical properties, such as an effective negative mass [4][5][6], negative refraction [7,8] and topological effects [9,10].…”
Section: Introductionmentioning
confidence: 99%
“…As significant advances in engineering structures, metamaterials have attracted increasing attention for their applications in controlling wave propagation and vibration reduction [1][2][3]. Metamaterials are composed of artificial periodic structures that are designed to achieve novel physical properties, such as an effective negative mass [4][5][6], negative refraction [7,8] and topological effects [9,10].…”
Section: Introductionmentioning
confidence: 99%