Improving the performance of acoustic invisibility with multilayer structure based on scattering analysis

Cai Chen¹, Yuan Yin², Kan Wei-Wei³, Yang Jing¹, Zou Xin-Ye^{1, †,}

Relationships between the total scattering cross section and the robustness factors for the cases of only a bare scatter (dotted curve) and the 10-layer shell scatter (solid curve).