Results 101 to 110 of about 21,879 (220)

Kriging-Based Variable Screening Method for Aircraft Optimization Problems with Expensive Functions

Algorithms
The computational complexity of airfoil optimization for aircraft wing designs typically involves high-dimensional parameter spaces defined by geometric variables, where each Computational Fluid Dynamics (CFD) simulation cycle may require significant ...
Yadong Wang, Xinyao Duan, Jiang Wang, Jin Guo, Minglei Han   +4 more
doaj   +1 more source

Aerodynamic Optimization of Airfoil in Wide Range of Operating Conditions Based on Reinforcement Learning

Aerospace
Airfoil aerodynamic design represents an essential domain in aircraft development, where the pursuit of advanced and intelligent optimization strategies is important for achieving significant advancements.
Yiting Zhang, Jiaqi Luo, Yao Zheng, Yaolong Liu   +3 more
doaj   +1 more source

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.
core   +1 more source

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  

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.
core   +1 more source

Optimization of Long-Endurance Airfoils [PDF]

21st AIAA Applied Aerodynamics Conference, 2003
Jun Hua, Fanmei Kong, Po-yang Liu, David Zingg   +3 more
openaire   +1 more source

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.
core   +1 more source

Inverse airfoil design procedure using a multigrid Navier-Stokes method [PDF]

The Modified Garabedian McFadden (MGM) design procedure was incorporated into an existing 2-D multigrid Navier-Stokes airfoil analysis method. The resulting design method is an iterative procedure based on a residual correction algorithm and permits the ...
Malone, J. B., Swanson, R. C.
core   +1 more source

On the optimal design of airfoils

Περίληψη: Κατά τη διάρκεια των τελευταίων ετών, τεχνικές προερχόμενες από τον τομέα των υπολογιστικών γραφικών, όπως η μέθοδος Ελεύθερης Παραμόρφωσης, έχουν γίνει εξαιρετικά χρήσιμες και ευρέως εφαρμόσιμες κατά τη διαδικασία βελτιστοποίησης εν γένει αεροδυναμικών σχημάτων και συγκεκριμένα αεροτομών.
Λελουδας Σταυρος http://users.isc.tuc.gr/~sleloudas, Leloudas Stavros http://users.isc.tuc.gr/~sleloudas   +1 more
openaire   +1 more source

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, H. Jalali, A. Haghiri   +2 more
doaj