Dynamic Analysis of Honeycomb Sandwich Beam with Multiple Debonds

Table 1

Properties of materials used.

Carbon-epoxy skin	Aluminium honeycomb core
𝐸𝑥𝑥 = 294.3 GPa,; 𝐸𝑦𝑦 = 𝐸𝑧𝑧 = 5.957 GPa	Plate shear modulus; 𝐿-direction = 220.64 MPa; 𝑊-direction = 103.42 MPa
𝐺𝑥𝑦 = 𝐺𝑥𝑧 = 4.896 GPa	Cell size = 6 mm (inscribed circle diameter)
𝜐 = 0.346, 𝜌 = 1700 kg/m^3	Cell wall thickness = 1/1000 of an inch (.00254 mm), ρ = 2.3 pcf (33 kg/m^3)