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physics.app-ph2025
Metamaterial sound absorbers based on microperforated panels: an approach toward enhanced flexibility and near-limit broadband performance
Jinjie Shi, Jie Luo, Chenkai Liu +6
Traditional microperforated panels (MPPs) and metamaterial-based sound absorbers rely on local resonances or multi-resonator designs, which limit their bandwidth, angular applicabi…
physics.app-ph2023
Ultra-broadband suppression of sound scattering via illusion metamaterials
Chenkai Liu, Chu Ma, Yun Lai +1
The scattering of waves is a ubiquitous phenomenon in physics, yet there are numerous scenarios, such as the pursuit of invisibility, where suppressing it is of utmost importance.…