Evaluation of aerodynamic loads via reduced order methodology

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15 Citations (Scopus)

Abstract

Centroidal Voronoi tessellation, leave-one-out cross validation, proper orthogonal decomposition, and multidimensional interpolation are integrated to define a reduced-order modeling approach for the parametric evaluation of steady aerodynamic loads. The proper orthogonal decomposition-based methodology allows reducing the number of degrees of freedom of the problem while maintaining good accuracy for the solution of complex three-dimensional viscous turbulent flows. As a result, it yields fairly accurate solutions at a fraction of the time required by standard computational fluid dynamics approaches. Three-dimensional examples for fixed- and rotary-wing cases of industrial relevance are used to assess the method in the cases of subsonic and transonic flow conditions.
Original languageEnglish
Pages (from-to)2389-2405
Number of pages17
JournalAIAA Journal
Volume53
Issue number8
Early online date17 Mar 2015
DOIs
Publication statusPublished - 31 Aug 2015

Keywords

  • aerodynamics
  • fluid dynamics
  • tessellation
  • interpolation

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