Figure 7

FEM simulation setup to analyze the sound absorption coefficient. (a) Simulation setup. (b) Equivalent fluid model of proposed CMPP fractals acoustic metamaterials. Courtesy (ANSYS 17.045).
FEM simulation setup to analyze the sound absorption coefficient. (a) Simulation setup. (b) Equivalent fluid model of proposed CMPP fractals acoustic metamaterials. Courtesy (ANSYS 17.045).