Analysis test
FOMA-X - Identification of non-acoustic parameters of open-c
From sound absorption coefficient or dynamic bulk density and bulk modulus, it calculates the main non-acoustic properties of open-cell porous materials: open porosity, static airflow resistivity, tortuosity, viscous and thermal characteristic lengths, thermal static permeability, Young’s modulus, Poisson’s ratio and damping loss factor.
FOAM-X uses identification algorithms that work with acoustic data output from ASTM E1050 and ISO 10534-2 impedance tube tests or ASTM E2611 transmission tube tests to identify porous material properties.
FOAM-X calculates the acoustic material properties from identification process.
