Flight-Regime Dependent Reduced Order Models of CFD/FE aeroelastic systems in transonic flow

Dimitriadis, Grigorios; Vio, Gareth Arthur; Cooper, Jonathan Edward

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Flight-Regime Dependent Reduced Order Models of CFD/FE aeroelastic systems in transonic flow

Dimitriadis, Grigorios; Vio, Gareth Arthur; Cooper, Jonathan Edward

2007 • In Proceedings of the 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

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Keywords :

CFD/FE; Transonic Aerodynamics; ROM

Abstract :

[en] This paper is part of a study investigating the prediction of the aeroelastic behavior of aircraft subjected to transonic aerodynamic forces. The main objective of the work is the creation of Reduced Order Models from coupled Computational Fluid Dynamic and Finite Element calculations. The novelty of the approach lies in the identification of different types of Reduced Order Model in different flight regimes. Linear modal models are used in the Mach range range where the full CFD/FE system is linear and nonlinear modal models in the transonic flight regime where the CFD/FE system undergoes Limit Cycle Oscillations. Static solutions of the CFD/FE system are used in order to determine the extent of the nonlinear Mach number range. The model treated in this work is a three-dimensional wing in a transonic flowfield.

Disciplines :

Aerospace & aeronautics engineering

Author, co-author :

Dimitriadis, Grigorios ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Interactions Fluide-Structure - Aérodynamique expérimentale

Vio, Gareth Arthur; University of Manchester > School of Mechanical Aerospace and Civil Engineering

Cooper, Jonathan Edward; University of Manchester > School of Mechanical Aerospace and Civil Engineering

Language :

English

Title :

Flight-Regime Dependent Reduced Order Models of CFD/FE aeroelastic systems in transonic flow

Publication date :

April 2007

Event name :

48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

Event organizer :

AIAA, ASME, ASCE, AHS, ASC

Event place :

Honolulu, Hawaii, United States

Event date :

du 23 avril au 26 avril 2007

Audience :

International

Main work title :

Proceedings of the 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

Publisher :

AIAA, United States

Pages :

Paper AIAA-2007-1989

Additional URL :

http://pdf.aiaa.org/preview/CDReadyMSDM07_1473/PV2007_1989.pdf

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since 30 September 2009

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