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Assessment of tabular models using CFD

Assessment of tabular models using CFD
Assessment of tabular models using CFD
Tabular aerodynamic models are frequently used for computational flight simulation. It is necessary to understand the limitations of such models to ensure adequacy for the relevant manoeuvres. The assessment is carried out for an aerofoil with a trailing edge flap for both forced and free–response manoeuvres. The limitations of the tabular model are then assessed through a comparison of loads or trajectories against a time–accurate computational fluid dynamics solution. A number of manoeuvres are used covering both linear and nonlinear aerodynamic regimes. It is seen that the assumptions in the tabular model are adequate except for neglecting history effects for certain regimes where nonlinearities are significant.
McCracken, A.J.
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Kennett, D.J.
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Badcock, K.J.
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Da Ronch, A.
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McCracken, A.J.
082d33a8-7ca9-45f4-8c2c-9f8a88ccd19b
Kennett, D.J.
997da6f0-bf66-43dd-93ce-098ea862527a
Badcock, K.J.
f7ae5be8-8140-4e46-81f8-8d1021fd989f
Da Ronch, A.
a2f36b97-b881-44e9-8a78-dd76fdf82f1a

McCracken, A.J., Kennett, D.J., Badcock, K.J. and Da Ronch, A. (2013) Assessment of tabular models using CFD. AIAA Atmospheric Flight Mechanics (AFM) Conference, Boston, United States. 19 - 22 Aug 2013. 17 pp . (doi:10.2514/6.2013-4978).

Record type: Conference or Workshop Item (Paper)

Abstract

Tabular aerodynamic models are frequently used for computational flight simulation. It is necessary to understand the limitations of such models to ensure adequacy for the relevant manoeuvres. The assessment is carried out for an aerofoil with a trailing edge flap for both forced and free–response manoeuvres. The limitations of the tabular model are then assessed through a comparison of loads or trajectories against a time–accurate computational fluid dynamics solution. A number of manoeuvres are used covering both linear and nonlinear aerodynamic regimes. It is seen that the assumptions in the tabular model are adequate except for neglecting history effects for certain regimes where nonlinearities are significant.

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Published date: 21 August 2013
Venue - Dates: AIAA Atmospheric Flight Mechanics (AFM) Conference, Boston, United States, 2013-08-19 - 2013-08-22
Organisations: Aerodynamics & Flight Mechanics Group

Identifiers

Local EPrints ID: 356047
URI: http://eprints.soton.ac.uk/id/eprint/356047
PURE UUID: 764b7368-9278-4fc3-bf9f-310427d36ac1
ORCID for A. Da Ronch: ORCID iD orcid.org/0000-0001-7428-6935

Catalogue record

Date deposited: 16 Sep 2013 11:55
Last modified: 15 Mar 2024 03:46

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Contributors

Author: A.J. McCracken
Author: D.J. Kennett
Author: K.J. Badcock
Author: A. Da Ronch ORCID iD

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