Veloso, M.; Pereira, M.; Godinho, L.; Amado-Mendes, P.; Redondo, Javier(Elsevier, 2023-08)
[EN] Noise attenuation by sonic crystal noise barriers occurs mainly in specific frequency bands (bandgaps), due to a mechanism called Bragg scattering, which is the result of destructive interference between multiple ...
[EN] The use of periodic structures in acoustic applications has interested the scientific community in the last two decades. Although in-depth research has been thoroughly performed, many issues have still not been solved. ...