Int. J. Simul. Multidisci. Des. Optim.
Volume 3, Number 4, December 2009
|Page(s)||432 - 442|
|Published online||20 July 2011|
Numerical Optimization applied to structure sizing at AIRBUS: A multi-step process
AIRBUS, Toulouse, France
2 AIRBUS, Filton, United Kingdom
3 TUDelft, Delft, The Netherlands
Corresponding author: firstname.lastname@example.org
Accepted: 9 September 2009
Structure optimization at airframe level is mainly focused on sizing design variables detailing the thin-walled properties of aircraft structures. Typical design variables are cross sectional dimensions for 1D and 2D elements with an additional complexity brought by composite materials with their directional and multi-layer aspects. Even if the scope of these design variables is clear and well understood, the vision of the structure behaviour is multi-criteria and encompasses various fidelity levels. Its design requires several stages from the future project to the detailed definition of structural parts using various analysis tools from different disciplines. These several stages require adequate structural optimization processes to offer the best response with the right level of details to answer questions being sought at each maturity level of the design. A review of methods & tools developed and applied at AIRBUS to deliver automated sizing for aircraft structures along their development will be presented. Ways forward and major stakes for the future will be discussed.
Key words: structure optimization / aeronautical design / mathematical programming / composite materials / multi-level optimization
© ASMDO, 2009
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