HAL Id: hal-01504292
https://hal.archives-ouvertes.fr/hal-01504292
Submitted on 9 Apr 2017
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Optimisation aéromécanique d’aubes de turbomachines dans le cadre du projet eurépen VIVACE
Rajan Filomeno Coelho, Stéphane Pierret
To cite this version:
Rajan Filomeno Coelho, Stéphane Pierret. Optimisation aéromécanique d’aubes de turbomachines dans le cadre du projet eurépen VIVACE. 8e Colloque national en calcul des structures, CSMA, May 2007, Giens, France. �hal-01504292�
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* Laboratoire de Mécanique Roberval UMR 6066 UTC – CNRS Université de Technologie de Compiègne, BP 20259
Compiègne 60206, France rajan.filomeno-coelho@utc.fr
** CENAERO A.S.B.L.
Bâtiment Mermoz 1, 2ème étage, Avenue Jean Mermoz, 30 B-6041 Gosselies, Belgique
stephane.pierret@cenaero.be
RÉSUMÉ. Dans le contexte général du projet européen VIVACE, visant à accroître la collabo- ration entre entreprises aéronautiques et optimiser les différents aspects liés à la conception et à la réalisation d’un avion, les résultats d’un calcul d’optimisation d’aubes de turboma- chines sont présentés. Ils se basent sur MAX, un code d’optimisation basé sur des algo- rithmes génétiques accélérés par l’utilisation d’un modèle approché. En outre, une chaîne de simulation aéromécanique a également été mise au point, reprenant modeleur géométrique pour profils d’aubes, calculs CFD (TRAF) et mécaniques (SAMCEF). Les résultats obtenus sur une application industrielle apportent un gain significatif en rendement, tout en garantis- sant le bon comportement aérodynamique et mécanique de l’aube.
ABSTRACT. In the general framework of the European project VIVACE, whose aim consists in improving the collaboration between aircraft companies and optimize the different aspects related to aircraft design and manufacturing, the results of a turbomachinery blade design optimization are presented. They are obtained thanks to MAX, an optimization code based on genetic algorithms accelerated by the use of a surrogate model. Futhermore, an aeromech- anical simulation chain has also been developed, including a geometrical modeller for blade profiles, a CFD code (TRAF) and a structural analysis software (SAMCEF). Applied on an industrial case, the proposed methodology brought a significative gain of efficiency, while keeping a good aerodynamic and mechanical behaviour of the blade.
MOTS-CLÉS: optimisation, méta-modèles, algorithmes génétiques, conception d’aubes, turbo- machines.
KEYWORDS: optimization, meta-models, genetic algorithms, blade design, turbomachinery.
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