Assessment of a high-order MUSCL method for rotor flows

Jimenez-Garcia, A. and Barakos, G.N. (2018) Assessment of a high-order MUSCL method for rotor flows. International Journal for Numerical Methods in Fluids, 87(6), pp. 292-327. (doi:10.1002/fld.4492)

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Abstract

This work presents the implementation of a high-order, finite-volume scheme suitable for rotor flows. The formulation is based on the variable extrapolation MUSCL-scheme, where high-order spatial accuracy (up to 4th-order) is achieved using correction terms obtained through successive differentiation. A variety of results are presented, including two-and three-dimensional test cases. Results with the proposed scheme, showed better wake and higher resolution of vortical structures compared with the standard MUSCL, even when coarse meshes were employed. The method was also demonstrated for three-dimensional unsteady flows using overset and moving grids for the UH-60A rotor in forward flight and the ERICA tiltrotor in aeroplane mode. For medium grids, the present method adds reasonable CPU and memory overheads and offers good accuracy on relatively coarse grids.

Item Type:Articles
Additional Information:Part of this work is funded under the HiperTilt Project of the UK Technology Strategy Board (TSB) and Leonardo Helicopters under Contract Nr. 101370.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Barakos, Professor George and Jimenez Garcia, Mr Antonio
Authors: Jimenez-Garcia, A., and Barakos, G.N.
College/School:College of Science and Engineering > School of Engineering > Aerospace Sciences
Journal Name:International Journal for Numerical Methods in Fluids
Publisher:Wiley
ISSN:0271-2091
ISSN (Online):1097-0363
Published Online:22 January 2018
Copyright Holders:Copyright © 2018 John Wiley & Sons, Ltd.
First Published:First published in International Journal for Numerical Methods in Fluids 87(6):292-327
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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