Figure 8
From: SeMSA: a compact super absorber optimised for broadband, low-frequency noise attenuation

2D slice of \(V_\text {RMS}\) in the region of a perforate.
From: SeMSA: a compact super absorber optimised for broadband, low-frequency noise attenuation
2D slice of \(V_\text {RMS}\) in the region of a perforate.