https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2022.860126/full
Frontiers | Broadband Transformation Acoustic Waveguide With Anisotropic Density Based on Pentamode...
Multiple layer anisotropic fluid medium is critical to the realization of transformation acoustic devices, such as cloak or bend waveguide. Pentamode metamat...
based onfrontiersbroadbandtransformationacoustic