Normal incidence sound insulation provided by Sonic Crystal Acoustic Screens made from rigid scatterers – assessment of different simulation methodsM.P. Peiró-Torres, M. Ferri, Luis M. Godinho, Paulo Amado-Mendes, Francisco Jose Vea Folch and Javier RedondoActa Acust., 5 (2021) 28DOI: https://doi.org/10.1051/aacus/2021021