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ACCELERATED AIRFOIL OPTIMIZATION VIA VIBRATIONAL GENETIC ALGORITHM
Havacılık ve Uzay Teknolojileri Dergisi, 2003 Transonic airfoil optimization is made for drag minimisation through shock wave reduction. In this study, a new approach to genetic algorithms, called Vibrational Genetic Algorithm (VGA), is used for transonic airfoil optimization.
Abdurrahman Hacıoğlu, İbrahim Özkol
doaj
Numerical optimization design of advanced transonic wing configurations [PDF]
A computationally efficient and versatile technique for use in the design of advanced transonic wing configurations has been developed. A reliable and fast transonic wing flow-field analysis program, TWING, has been coupled with a modified quasi-Newton ...
Cosentino, G. B., Holst, T. L.
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Low speed propellers: Impact of advanced technologies [PDF]
, 1980 Sensitivity studies performed to evaluate the potential of several advanced technological elements on propeller performance, noise, weight, and cost for general aviation aircraft are discussed.
Keiter, I. D.
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Wave Drag Reduction of SC(2)0410 Airfoil using New Developed Inviscid Compressible Adjoint Method
Journal of Applied Fluid Mechanics, 2020 A supercritical airfoil is geometrically optimized using the new developed adjoint compressible lattice Boltzmann method. Minimizing the drag coefficient and eliminating the shock wave on the supercritical airfoil surface are considered as the cost ...
R. Kamali-Moghadam +2 more
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Aerodynamic design using numerical optimization [PDF]
The procedure of using numerical optimization methods coupled with computational fluid dynamic (CFD) codes for the development of an aerodynamic design is examined.
Chapman, G. T., Murman, E. M.
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Overview of two-dimensional airfoil research at Ames Research Center [PDF]
The five basic elements of the two dimensional airfoil research program at Ames Research Center are illustrated. These elements are experimental, theoretical (including computational), validation, design optimization, and industry interaction.
Chapman, G. T.
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Development of a Knowledge-Based Optimization Method for Aerodynamic Design [PDF]
A new aerodynamic design method, CODISC, has been developed that combines an existing knowledgebased design method, CDISC, with a simple optimization module known as SOUP.
Campbell, Richard L., Lynde, Michelle N.
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Airfoil optimization with efficient gradient calculations [PDF]
The viscous airfoil design analysis code XFOIL was extended to allow optimization using conformal mapping coefficients as design variables. The optimization technique used was the Steepest Descent method applied to a Penalty Function.
Sorensen, Thomas
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AerospaceIn this study, two-dimensional airfoil shapes obtained in aerodynamic optimizations are converted to three-dimensional wing models and then their aerodynamic and sonic boom performance are evaluated. The airfoil shapes analyzed are the diamond, Busemann,
Wataru Yamazaki, Shu Ishida
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Two-dimensional wind-tunnel tests of a NASA supercritical airfoil with various high-lift systems. Volume 1: Data analysis [PDF]
High-lift systems for a NASA, 9.3%, method for calculating the viscous flow about two-dimensional multicomponent airfoils was evaluated by comparing its predictions with test data.
Mahal, A., Omar, E., Zierten, T.
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