An acoustic bending waveguide designed by anisotropic density-near-zero metamaterial
Wang Yang-Yang1, Ding Er-Liang1, Liu Xiao-Zhou1, 2, †, , Gong Xiu-Fen1
       

Field distributions in the straight channel with an ADNZ metamaterial for (a) pressure field p, (b) velocity field in the x direction, (c) velocity field in the y direction, (d) acoustic intensity in the x direction, and (e) acoustic intensity in the y direction.