Linear and Nonlinear Dynamic Analyses of Sandwich Panels with Face Sheet-to-Core Debonding

Table 2

Material properties of sandwich panels used in the calculations.

Examples	Ref.	Constituents
Example 1	[10]	Face sheets, = 1627 kgm^−3
		E1, GPa	E2 = E3, GPa	G12 = G13, GPa	G23, GPa	=
		131.0	10.34	6.895	6.205	0.22	0.49
		Core, = 97 kgm^−3
		E1 = E2, GPa	E3, GPa	G12 = G13, GPa	G23, GPa		=
		6.890  ×  10^−3	6.890  ×  10^−3	3.450  ×  10^−3	3.450  ×  10^−3	0.0	0.0
Example 2	[53]	Face sheets
		= 4400 kgm^−3, Ef = 36.0 GPa, = 0.3
		Core, = 52 kgm^−3
		Ec = 50.0 MPa, Gc = 21.0 MPa
Examples 3–5	[73]	Face sheets,  kgm^−3
		E1 = E3, GPa	E2, GPa	G12 = G23, GPa	G13, GPa		=
		19.3	3.48	1.65	7.70	0.05	0.25
		Core, = 52 kgm^−3, Ec = 85.0 MPa, Gc = 30.0 MPa, = 0.42
Examples 6–9	[56]	Face sheets, = 1650 kgm^−3
		E1, GPa	E2 = E3, GPa	G12 = G13, GPa	G23, GPa		=
		140	10	4.6	3.8	0.25	0.25
		Honeycomb core, = 57.17 kgm^−3
		E1 = E2, GPa	E3, GPa	G12, GPa	G13, GPa	G23, GPa	==
		0.461 × 10^−3	1.464	0.194 × 10^−3	341.7 × 10^−3	192.1 × 10^−3	0.31
		= 100 kgm^−3, Ec = 105.0 MPa, Gc = 45.0 MPa, = 0.32
		= 200 kgm^−3, Ec = 230.0 MPa, Gc = 85.0 MPa, = 0.33