(Institute of Acoustics and Key Laboratory of Modern Acoustics of MOE,Nanjing University, Nanjing 210093, China)
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Abstract:
The history of acoustic multilayered medium was reviewed at first. Then progress of the investigation on sound wave manipulation and functional device prototype based on acoustic multilayered medium were presented. In the view point of acoustics, the effectivemedium theory, anisotropic effective parameter approximation, and the application in acoustic cloaking device were summarized and introduced. We use the rigorous scattering theory and finite element simulations to investigate the pressure field distribution and far field scattering pattern...