Accurate aerodynamic sensitivity analysis using adjoint equations

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An accurate aerodynamic sensitivity analysis method for the adjoint approach is described, The present method uses the continuous adjoint approach to avoid excessive memory requirement, and the diagonalized alternating direction implicit (DADI) relaxation with multigrid acceleration is used for the fast convergence. A derivation of the continuous adjoint operator is described for the second-order total variation diminishing (TVD) scheme and a new antidiffusive flux for the adjoint equations is proposed to enhance the accuracy of sensitivity. The accuracy of the present method is demonstrated by solving sensitivity problems for two-dimensional airfoils. Comparisons with finite difference results are also presented.
Publisher
AMER INST AERONAUT ASTRONAUT
Issue Date
2000-02
Language
English
Article Type
Article; Proceedings Paper
Keywords

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Citation

AIAA JOURNAL, v.38, no.2, pp.243 - 250

ISSN
0001-1452
URI
http://hdl.handle.net/10203/6220
Appears in Collection
AE-Journal Papers(저널논문)
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