Transonic Buffet Simulation using Harmonic Balance Method

Petrocchi, A. and Barakos, G. N. (2023) Transonic Buffet Simulation using Harmonic Balance Method. In: AIAA SCITECH 2023 Forum, National Harbor, MD, USA, 23-27 Jan 2023, ISBN 9781624106996 (doi: 10.2514/6.2023-2276)

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Abstract

In the present work, the application of the harmonic balance method for transonic buffet around a supercritical airfoil is presented. The use of this technique aims to be an alternative to unsteady computational fluid dynamics simulations that are expensive for complex flow cases. The technique was applied in conjunction with a partially-averaged Navier-Stokes approach, which proved to be beneficial in buffet prediction compared to unsteady Reynolds-averaged Navier-Stokes equations. The ability of the harmonic balance method to reproduce the results of the time marching simulation was also investigated. Particular attention was paid to the efficiency of the method and the ability to reduce CPU cost with respect to time marching simulations without under-resolving the flow physics. Grid size and number of harmonics used in the computations were the main parameters of investigation.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Barakos, Professor George and Petrocchi, Mr Andrea
Authors: Petrocchi, A., and Barakos, G. N.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
ISBN:9781624106996
Copyright Holders:Copyright © 2023 The Authors
First Published:First published in Proceedings of AIAA SCITECH 2023 Forum
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
306721Towards Effective Flow Control and Mitigation of Shock Effects in Aeronautical ApplicationsGeorge BarakosEuropean Commission (EC)860909ENG - Autonomous Systems & Connectivity