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Integrated Flexible Dynamic Loads Models Based on Aerodynamic Influence Coefficients of a 3D Panel Method

Kier, Thiemo and Verveld, Mark J. and Burkett, Chris W. (2015) Integrated Flexible Dynamic Loads Models Based on Aerodynamic Influence Coefficients of a 3D Panel Method. International Forum on Aeroelasticity and Structural Dynamics, 28. Jun. - 02. Jul. 2015, St. Petersburg, Russische Föderation.

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The integration of loads analysis models using so called aerodynamic influence coeffcients (AICs) is described. These AICs relate a change of normal velocity at panel control points to a change in panel pressure distribution, allowing to consider aeroelastic effects in a straight forward manner. The aerodynamic method employed for aeroelastic applications is typically the Vortex or Doublet Lattice Method, discretizing mean lifting surfaces. In this paper, the AICs are obtained by a 3D panel method, which significantly increases the geometric fidelity and accounts for previously unmodeled ight mechanical effects. These effects are verified by comparison with the Vortex Lattice Method and CFD results. Further, an interpolation scheme is required, since the AICs of 3D panel methods depend nonlinearly on the underlying flight state. The setup of a reduced order aerodynamic model for AICs (AIC-ROM), based on proper orthogonal decomposition is presented and results are assessed.

Item URL in elib:https://elib.dlr.de/97804/
Document Type:Conference or Workshop Item (Speech)
Title:Integrated Flexible Dynamic Loads Models Based on Aerodynamic Influence Coefficients of a 3D Panel Method
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kier, ThiemoThiemo.Kier (at) DLR.deUNSPECIFIED
Burkett, Chris W.Chris (at) flowsol.co.ukUNSPECIFIED
Date:June 2015
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:integrated flexible flight dynamics model, manoeuvre loads analysis, 3D Panel Method, Aerodynamic Inuence Coeffcients
Event Title:International Forum on Aeroelasticity and Structural Dynamics
Event Location:St. Petersburg, Russische Föderation
Event Type:international Conference
Event Dates:28. Jun. - 02. Jul. 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Kier, Thiemo
Deposited On:24 Aug 2015 15:56
Last Modified:31 Jul 2019 19:54

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