Active nonreciprocal metamaterial using a spatiotemporal modulation control strategy
H Zhou, A Baz - Applied Physics Letters, 2022 - pubs.aip.org
A class of active nonreciprocal metamaterial (ANMM) is presented which consists of an
acoustic duct with periodically placed active diaphragms that are controlled by a …
acoustic duct with periodically placed active diaphragms that are controlled by a …
Omindirectional non-reciprocity via 2d modulated radial sonic crystals
In this paper we report on nonreciprocal wave propagation in a 2D radial sonic crystal with
space–time varying properties. We show that a modulation traveling along the radial …
space–time varying properties. We show that a modulation traveling along the radial …
A piezoelectric-nonreciprocal metamaterial with shaped eigenvectors using shunted piezo-networks
A Baz, H Zhou - INTER-NOISE and NOISE-CON Congress and …, 2023 - ingentaconnect.com
This paper presents a class of passive nonreciprocal metamaterials (PNMM) which are
designed to control the flow of acoustic waves along a one-dimensional periodic acoustic …
designed to control the flow of acoustic waves along a one-dimensional periodic acoustic …