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January 24, 2010 | History

Optimal aerodynamic shape design with transition prediction 1 edition

Optimal aerodynamic shape design with transition prediction
Jonathan Driver

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Optimal aerodynamic shape design with transition prediction.

Published 2005 .
Written in English.

About the Book

A two-dimensional Newton-Krylov aerodynamic shape optimization algorithm with laminar-turbulent transition has been developed. The coupled Euler and boundary-layer solver, MSES, is used to obtain transition locations, which are then used in the compressible Reynolds-Averaged Navier-Stokes (RANS) solver with the one-equation Spalart-Allmaras turbulence model. The sensitivity of the objective function to transition location perturbation is obtained from the RANS solutions. MSES is used to obtain the sensitivity of transition point movement to shape changes. These two sensitivities are combined to modify the discrete-adjoint objective function gradient. A unique design example demonstrates that the modified algorithm is able to design an airfoil very similar to one of the high-lift airfoils designed by Robert Liebeck. The design examples demonstrate that the optimizer is able to control the transition point locations to provide optimum performance, in effect designing optimized natural laminar-flow airfoils.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0953.

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

78 leaves.
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History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page