Eigenanalysis of unsteady flows about airfoils, cascades, and wings

Conference Paper

A general technique for constructing reduced order models of unsteady aerodynamic flows about two-dimensional isolated airfoils, cascades of airfoils, and three-dimensional wings was developed. The technique was applied to an unsteady incompressible vortex lattice model. The eigenmodes of the system, which may be thought of as aerodynamic states, were computed and subsequently used to construct computationally efficient, reduced order models of the unsteady flow field. It was also shown how the reduced order model may be incorporated into an aeroelastic flutter model.

Duke Authors

Cited Authors

  • Hall, KC

Published Date

  • December 1, 1994

Published In

Volume / Issue

  • 2 /

Start / End Page

  • 967 - 976

International Standard Serial Number (ISSN)

  • 0273-4508

Citation Source

  • Scopus