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Correlation of CFRP and AA7075 Aircraft Wing box structure using FEM

Composite materials are becoming more important in the construction of Mechanical structures. The primary objective of this paper is to analyse the Carbon Fibre Reinforced Plastic (CFRP) and Aluminium alloy (AA 7075) aircraft wing box using finite element method. Both results has been correlated. Both CFRP and AA7075 structures modelling and numerical simulations were executed at various loading conditions. The deformed configuration of the CFRP and AA7075 aircraft wing box along with stress plot have been computed using analysis. Based on these studies, the CFRP and AA7075 central wing box, representing a weight saving of up to one and a half tonnes compared to the most advanced aluminium alloys. The results also expose the increasing strength with reduced weight.