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Application of a bi-level scheme including topology optimization to the design of an aircraft pylon

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Abstract

In this paper, topology optimization is used to design aircraft pylons. Original results for two Airbus pylons are first presented. An innovative bi-level optimization scheme is then proposed, which combines topology and geometric optimizations. At the first level, the dimension of the design domain, that is the envelope of the structure, and the location of the fixations are variables. At the second level, topology optimization is used to determine the optimal lay-out for given geometric parameters. This bi-level scheme is used to solve the aero-structural optimization of a pylon.

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Acknowledgements

A part of the development of the bi-level optimization approach has been performed within the CRESCENDO project, funded by the European Community’s Seventh Framework Program (FP7/2007-2013) under grant agreement no. 234344 (www.crescendofp7.eu/).

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Authors and Affiliations

  1. SAMTECH, Liège Science Park, Rue des Chasseurs-ardennais 8, Angleur, 4031, Belgium

    Alain Remouchamps & Michael Bruyneel

  2. Aerospace & Mechanical Deparetment, University of Liège, Chemin des Chevreuils 1, Liège, 4200, Belgium

    Claude Fleury

  3. Airbus, Route de Bayonne 316, 31060, Toulouse, France

    Stéphane Grihon

Authors
  1. Alain Remouchamps
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  2. Michael Bruyneel
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  3. Claude Fleury
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  4. Stéphane Grihon
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Corresponding author

Correspondence to Michael Bruyneel.

Additional information

Part of this paper has been presented at 1st EASN Association Workshop on Aerostructures, 7–8 October 2010, Paris.

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Remouchamps, A., Bruyneel, M., Fleury, C. et al. Application of a bi-level scheme including topology optimization to the design of an aircraft pylon. Struct Multidisc Optim 44, 739–750 (2011). https://doi.org/10.1007/s00158-011-0682-3

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  • DOI: https://doi.org/10.1007/s00158-011-0682-3

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