Research Article

Sound Attenuation of Membranes Loaded with Square Frame-Shaped Masses

Table 2

Properties of frame-shaped mass inclusions.

ConfigurationCentral mass (g)Frame I (g)Frame II (g)Distance from the center: Frame I (mm)Distance from the center: Frame II (mm)Frames I and II width (mm)

Model I 0.32
Model II0.322.140.856
Model III0.320.322.140.856
Model IV0.320.322.143.850.856