2021
DOI: 10.3390/cryst11070774
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Wave Dispersion in One-Dimensional Nonlinear Local Resonance Phononic Crystals with Perturbation Method

Abstract: Nonlinear phononic crystals are receiving increasingly greater attention in the field of sound absorption and vibration reduction. In this paper, we use the perturbation method to investigate elastic wave propagation in one-dimensional discrete local resonance nonlinear phononic crystals. The nonlinear force on the inner resonator is expressed in the form of a linear part plus a cubic nonlinear fluctuation. By combining Bloch wave theory and the perturbation method, the nonlinear dispersion relation is obtaine… Show more

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Cited by 6 publications
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“…In the context of recent perspectives on the future progress in the field of study of the metamaterials, we can mention as examples the following three works: (1) Soo-Ho Jo, et al proposed the design of 2D phononic crystals introducing defects with piezoelectric patches; these structures allow the harvesting and localization of the energy of elastic waves in broadband frequencies [32]. (2) Yan Chen, et al applying a method based on the perturbative analysis, studied the dynamic behavior of a 1D nonlinear mass-in-mass phononic crystal to calculate the dispersion relation and demonstrate that by modifying the wave amplitude and the degree of nonlinearity, the band-gap frequency range can be adjusted (validating the results with finite element simulations) [33]. Lastly, (3) Luyun Chen, et al using a finite element model of a 2D hexachiral phononic crystal (whose main characteristic is that it does not have a complete mirror symmetry), investigated the acoustic transmission and tunneling in a Dirac-cone state, with applications oriented towards wave manipulation [34].…”
Section: Introductionmentioning
confidence: 99%
“…In the context of recent perspectives on the future progress in the field of study of the metamaterials, we can mention as examples the following three works: (1) Soo-Ho Jo, et al proposed the design of 2D phononic crystals introducing defects with piezoelectric patches; these structures allow the harvesting and localization of the energy of elastic waves in broadband frequencies [32]. (2) Yan Chen, et al applying a method based on the perturbative analysis, studied the dynamic behavior of a 1D nonlinear mass-in-mass phononic crystal to calculate the dispersion relation and demonstrate that by modifying the wave amplitude and the degree of nonlinearity, the band-gap frequency range can be adjusted (validating the results with finite element simulations) [33]. Lastly, (3) Luyun Chen, et al using a finite element model of a 2D hexachiral phononic crystal (whose main characteristic is that it does not have a complete mirror symmetry), investigated the acoustic transmission and tunneling in a Dirac-cone state, with applications oriented towards wave manipulation [34].…”
Section: Introductionmentioning
confidence: 99%