Hybrid assessment of acoustic radiation damping combining in-situ mobility measurements and the boundary element method

Open Access

Table 3

Material properties of aluminum sandwich panel with Polyethylen core.

Aluminum face sheets
Thickness	t	0.5 mm
Density	ρ _f	2690 kg/m³
Young’s modulus	E	70 GPa
Poisson’s ratio	ν _a	0.3
Polyethylen core
Thickness	h	3 mm
Density	ρ _c	1603 kg/m³
Young’s modulus	E _c	1 GPa^*
Poisson’s ratio	ν _c	0.1^*

Values that are not explicitly given by the manufacturer are assumed and marked with an asterisk.

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