Low-frequency nonreciprocal flexural wave propagation via compact cascaded time-modulated resonators

Nonreciprocal mechanical devices are of great interest for directional elastic wave manipulation. In this Letter, we introduce a design of a compact low-frequency nonreciprocal metamaterial for flexural waves, whose dimension is less than 1 / 3 of the operating wavelength. This structure is made of...

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Veröffentlicht in:	Applied physics letters 2022-06, Vol.120 (23)
Hauptverfasser:	Wan, Sheng, Cao, Liyun, Zeng, Yi, Guo, Tong, Oudich, Mourad, Assouar, Badreddine
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Applied physics Coils Elastic waves Electromagnetic forces Engineering Sciences Finite element method Mechanical devices Metamaterials Numerical prediction Propagation Resonators Stiffness Wave propagation
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