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High-lift design optimization using Navier-Stokes equations
Date
1996-05-01
Author
Eyi, Sinan
Lee, KD
Rogers, SE
Kwak, D
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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This article presents a design optimization method for maximizing lift without increasing the drag of multielement airfoils at takeoff and landing configurations. It uses an incompressible Navier-Stokes dow solver (INS2D), a chimera overlaid grid system (PEGSUS), and a constrained numerical optimizer (DOT). Aerodynamic sensitivity derivatives are obtained using finite differencing. The method is first validated with single-clement airfoil designs and then applied to three-element airfoil designs. Reliable design results are obtained at reasonable costs. Results demonstrate that numerical optimization fan be an attractive design tool for the development of multielement high-lift systems.
Subject Keywords
Aerospace Engineering
URI
https://hdl.handle.net/11511/38786
Journal
JOURNAL OF AIRCRAFT
DOI
https://doi.org/10.2514/3.46972
Collections
Department of Aerospace Engineering, Article
Citation Formats
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BibTeX
S. Eyi, K. Lee, S. Rogers, and D. Kwak, “High-lift design optimization using Navier-Stokes equations,”
JOURNAL OF AIRCRAFT
, vol. 33, no. 3, pp. 499–504, 1996, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38786.