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Solution of linear systems in Fourier-based methods for aircraft applications

Solution of linear systems in Fourier-based methods for aircraft applications
Solution of linear systems in Fourier-based methods for aircraft applications
Computational fluid dynamics Fourier-based methods have found increasing use for aircraft applications in the last decade. Two applications which benefit are aeroelastic stability analysis and flight dynamics for which previous work is reviewed here. The implicit solution of the methods considered in this work requires an effective preconditioner for solving the linear systems. New results are presented to understand the performance of an approach to accelerate the convergence of the linear solver. The computational performance of the resulting solver is considered for flutter and dynamic derivative calculations.
frequency domain methods, linear frequency domain, harmonic balance, aeroelasticity, flight dynamics, preconditioning
1061-8562
79-87
McCracken, A.
e799c540-89ac-48df-9260-3c5a68761cfb
Da Ronch, A.
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
Timme, S.
d688c7f1-3a3d-44e0-ad8c-15f350c91ff8
Badcock, K. J.
64c4dc5d-1f2f-4358-af31-f6506c1810ef
McCracken, A.
e799c540-89ac-48df-9260-3c5a68761cfb
Da Ronch, A.
a2f36b97-b881-44e9-8a78-dd76fdf82f1a
Timme, S.
d688c7f1-3a3d-44e0-ad8c-15f350c91ff8
Badcock, K. J.
64c4dc5d-1f2f-4358-af31-f6506c1810ef

McCracken, A., Da Ronch, A., Timme, S. and Badcock, K. J. (2013) Solution of linear systems in Fourier-based methods for aircraft applications. [in special issue: Fourier-based method development and application] International Journal of Computational Fluid Dynamics, 27 (2), 79-87. (doi:10.1080/10618562.2012.750719).

Record type: Article

Abstract

Computational fluid dynamics Fourier-based methods have found increasing use for aircraft applications in the last decade. Two applications which benefit are aeroelastic stability analysis and flight dynamics for which previous work is reviewed here. The implicit solution of the methods considered in this work requires an effective preconditioner for solving the linear systems. New results are presented to understand the performance of an approach to accelerate the convergence of the linear solver. The computational performance of the resulting solver is considered for flutter and dynamic derivative calculations.

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More information

Published date: 28 January 2013
Keywords: frequency domain methods, linear frequency domain, harmonic balance, aeroelasticity, flight dynamics, preconditioning
Organisations: Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 351518
URI: http://eprints.soton.ac.uk/id/eprint/351518
ISSN: 1061-8562
PURE UUID: b8a9ed50-2e59-402f-8455-52317fceb17d

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Date deposited: 23 Apr 2013 12:39
Last modified: 08 Nov 2021 23:51

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Contributors

Author: A. McCracken
Author: A. Da Ronch
Author: S. Timme
Author: K. J. Badcock

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