Effect of improved flight and control loads modelling on wing-box preliminary sizing

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Abstract

The proposed approach in this paper aims to bring the accuracy of CFD to quick linear aeroelastic simulations for structural sizing. This is achieved by deriving reduced-order models (ROM) of the aircraft movables, gust loads and manoeuvres loads from rigid CFD analysis and to use these as substitutes for the loads in the aeroelastic simulation. The corrected loads can then be incorporated into the wing-box sizing process which relies on a gradient-based optimizer that will eventually determine the optimal stiffness and thickness distribution of the wing structure.
Original languageEnglish
Title of host publication6th Aircraft Structural Design Conference
Place of PublicationBristol, England
Number of pages11
Publication statusPublished - 9 Oct 2018
Event6th Aircraft Structural Design Conference - Bristol, United Kingdom
Duration: 9 Oct 201811 Oct 2018
Conference number: 6th

Conference

Conference6th Aircraft Structural Design Conference
CountryUnited Kingdom
CityBristol
Period9/10/1811/10/18

Keywords

  • aeroelasticity
  • structural sizing
  • gust loads
  • control surfaces
  • aerodynamic characterisation

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