Technologies: Wing Booms resizing – Fatigue and Damage Tolerance
DESCRIPTION
ICEMM carried out a resizing analysis of the A380 wing booms. This resizing was carried out to correct the cracks that appeared in the ‘Booms’ as a consequence of the existence of additional stresses derived from the manufacturing and assembly process.
A380 Wing Booms Cracks
ACTIVITIES
Resizing of booms according to fatigue and damage tolerance requirements
Finite element detail models of wing ribs (PATRAN/NASTRAN)
Material definition: Boom (aluminium) and web (CFRP)
Calculation of out-of-plane rib displacements (Global FEM)
Rib strength and stability analysis
Analytical calculations:
Static checks and joint analysis
Stiffener buckling analysis
Rivet buckling analysis
Documentation
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