Comparative Analysis of Al-Li Alloy and Aluminum Honeycomb Panel for Aerospace Application by Structural Optimization

Table 10

Comparative analysis of optimization results of two materials.

Performance	Requirements	Optimization results of AHP	Optimization results of Al-Li alloy
Maximum stress	≤187 MPa	1.82 MPa ( direction)	17.24 MPa ( direction)
Maximum deformation	≤0.3 mm	0.19 mm ( direction)	0.17 mm ( direction)
Fundamental frequency	≥115 Hz	114.8 Hz	115.3 Hz
Harmonic response	≤22G	18.5G	19.6G
Mass	Minimized mass	42.72 kg	48.39 kg