Table 1: Material and acoustic properties used for modeling using the finite element method.

MaterialDensity ( 𝜌 , k g / m 3 )Young’s modulus ( 𝐸 , G P a )Poisson’s ratio ( 𝜈 )Bulk modulus ( 𝐾 , G P a )Speed of sound (m/s)

Air1.20.000147350
Water10202.2951500
Acrylic11755.50.372870
Concrete24003600