Mathematical Problems in Engineering / 2016 / Article / Tab 1

Research Article

Sound Attenuation of Membranes Loaded with Square Frame-Shaped Masses

Table 1

Physical properties of membrane material [16].

PropertyPolyetherimide (PEI)

Mass density (kg/m3)1200
Young’s modulus (Pa)
Poisson ratio0.36
Thickness (mm)0.076
Length (mm)27.4
Tension (Pa)

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