Study of Influential Factors of the Vibration Modal of the Rocket Equipment Bay and Structural Improvement Based on Finite Element Analysis

Table 1

Material characteristics.

Aluminum alloy	Cast iron	CFRP tape	Aluminum honeycomb
E = 79 GPa; μ = 0.3; ρ = 2600 kg/m^3	E = 160 GPa; μ = 0.26; ρ = 7400 kg/m^3	E11 = 117 GPa; E22 = 3 GPa; G12 = 4 GPa; μ12 = 0.3; ρ = 1520 kg/m^3	E11 = 120 MPa; E22 = 120 MPa; G12 = 11 MPa; μ12 = 0.3; ρ = 102 kg/m^3