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Time-Domain Harmonic Balance Method for Turbomachinery Aeroelasticity

Sicot, Frédéric and Gomar, Adrien and Dufour, Guillaume and Dugeai, Alain Time-Domain Harmonic Balance Method for Turbomachinery Aeroelasticity. (2014) AIAA Journal, 52 (1). 62-71. ISSN 0001-1452

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Official URL: http://dx.doi.org/10.2514/1.J051848

Abstract

The present paper investigates a time-domain harmonic balance method as an alternative to classical time-marching schemes for stability studies of turbomachineries toward flutter. A weak-coupling approach is applied, which requires computing the fluid response to prescribed harmonic motions of the structure. The harmonic balance method, formulated in the arbitrary Lagrangian/Eulerian framework, is adapted to single-passage reduction using phase-lag boundary conditions expressed purely in the time domain. Validation against experimental data for the 11th standard configuration for aeroelasticity is performed, showing good agreement. Finally, an industrial test case is presented: a fan designed by Safran Snecma. The results show the good accuracy of the proposed harmonic balance method as well as significant reductions in computational time.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
French research institutions > Office National d'Etudes et Recherches Aérospatiales - ONERA (FRANCE)
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Deposited By: Guillaume Dufour
Deposited On:16 Jan 2014 15:30

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