Sánchez-Dehesa Moreno-Cid, José; Gao, Penglin; Cervera Moreno, Francisco Salvador; Broatch, A.; GARCIA TISCAR, JORGE; Felgueroso-Rodríguez, Andrés(American Institute of Physics, 2022-02-28)
[EN] This Letter reports the feasibility of a structure specifically designed for the control of flexural waves propagating in thin perforated plates. The structure, here denominated as a redirector device, consists of a ...
[EN] Topological phases have recently been realized in bosonic systems. The associated boundary modes between regions of distinct topology have been used to demonstrate robust waveguiding, protected from defects by the ...
Gao, Penglin; Sánchez-Dehesa Moreno-Cid, José; Wu, Linzhi(Acoustical Society of America, 2018-08)
[EN] The Poisson-like effect, describing the redirection of waves by 90 degrees, is shown to be feasible for flexural waves propagating in perforated thin plates. It is demonstrated that the lowest order symmetric leaky ...
[EN] The study of topological states, which allow transport properties that are robust against impurities and defects in electronic structures, has been recently extended to the realm of elasticity. This work shows that ...
[EN] By studying platonic crystals based on lattices of cavities containing N-beam resonators, we conclude that crystals made of 1-beam resonators easily produce low-frequency omnidirectional bandgaps. Based on this favorable ...
Gao, Penglin; Climente Alarcón, Alfonso; Sánchez-Dehesa Moreno-Cid, José; Wu, Linzhi(American Institute of Physics, 2018-03)
[EN] A multiple scattering theory is applied to study the properties of flexural waves propagating in a plate with periodically structured N-beam resonators. Each resonator consists of a circular hole containing an inner ...