Effect of model deformation on aerodynamic coefficients for the AGARD-B wind tunnel model

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Abstract

A static aeroelasticity analysis is carried out for the AGARD-B wind tunnel model. The Reynolds averaged Navier-Stokes (RANS) solution obtained by the cell-wise relaxation implicit discontinuous Galerkin computational fluid dynamics (CFD) solver is fed into the structural analysis method to iteratively determine the aerodynamic equilibrium configuration of the wind tunnel model. The effect of model deformation on the aerodynamic characteristics is examined. It is shown that an aerodynamic equilibrium configuration can be obtained within several iterations for typical supersonic flow conditions. The displacement computed at the wing tip was found to be less than 1mm for the AGARD-B model. However, the aerodynamic coefficients are shown to be altered with this small deformation.

Original languageEnglish
Pages (from-to)163-172
Number of pages10
JournalTransactions of the Japan Society for Aeronautical and Space Sciences
Volume54
Issue number185-186
Publication statusPublished - 2011 Dec 1

Keywords

  • Discontinuous Galerkin Method
  • Static Aeroelasticity
  • Supersonic Flow

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science

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