Multi-point aerodynamic shape design.

Multi-point aerodynamic shape design.
Samy Elias, Samy Elias
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January 24, 2010 | History

Multi-point aerodynamic shape design.

This thesis examines several aspects of multi-point aerodynamic shape optimization in two dimensions, including testing of an automated weighting formula, automated introduction of design points, and three methods of imposing geometric constraints. A quasi-Newton algorithm is used, with a quadratic penalty approach for the constraints. A Newton-Krylov algorithm is used to solve the compressible Navier-Stokes equations; the same Krylov algorithm is used to solve the discrete adjoint problem to calculate the gradient. Several different multi-point problems with varying Mach number and target lift coefficients are examined to consider trade-offs in the solution and design point weighting. The automated weighting formula and automated design point addition successfully achieve optimization over a broad range of Mach numbers. The floating thickness and area constraints prove advantageous in providing more flexibility in the optimization.

Publish Date
Language
English
Pages
63

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Book Details


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.

GERSTEIN MICROTEXT copy on microfiche (1 microfiche).

The Physical Object

Pagination
63 leaves.
Number of pages
63

Edition Identifiers

Open Library
OL19216060M
ISBN 10
0494070838

Work Identifiers

Work ID
OL12683133W

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December 11, 2009 Created by WorkBot add works page