Stiffened Panels

  • Motivation for this project was to develop an optimization tool for large composite panel design with the application to aircraft primary structures
  • COSTADE - Composite Optimization Software for Transport Aircraft Design Evaluation
  • COSTADE combines:
    • Classical Lamination Theory 
    • Global optimization algorithms
    • Internal FEA module for load redistribution
Design Space
  • Design variables :
    • Panel and stiffener dimensions
    • Number of plies in the skin and in the stiffener
    • Ply angles

Panels used in a transport aircraft fuselage structure

A skin-stiffener type composite laminate with associated design variables

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