3 papers
physics.flu-dyn2024
Experimental demonstration of a space-time modulated airborne acoustic circulator
Tinggui Chen, Matthieu Mallejac, Chuanxing Bi +2
Achieving strongly nonreciprocal scattering in compact linear acoustic devices is a challenging task. One possible solution is the use of time-modulated resonators, however, their…
physics.app-ph2024
Ultra-low Frequency Acoustic Luneburg Lens
Liuxian Zhao, Xuxu Zhuang, Hao Guo +2
In this paper, a novel structural Luneburg lens with local resonators is proposed. This lens allows for the realization of subwavelength focusing in low frequency range. The lens i…
physics.app-ph2022
Acoustic Lenses Design based on the Rays Inserting Method
Liuxian Zhao, Chuanxing Bi, Miao Yu
The ability to control and manipulate elastic waves is important for applications such as structural health monitoring, signal processing, and vibration isolations. In this paper,…