Results 91 to 100 of about 1,824,132 (206)

Study of Airfoil Deflections for Unsteady Aerodynamics Optimization in Pitching Airfoils

Applied Sciences
Camber deflection concepts for a VR-12 rotorcraft airfoil were studied for the optimization of unsteady aerodynamics, including dynamic stall conditions and wing–wing interactions during pitching. The designs are based on deflections of the leading edge and trailing edge sections of the airfoil.
Refling, William, Fabijanic, Charles, Sprengeler, Thomas, Suzen, Yildirim Bora, Estevadeordal, Jordi   +4 more
openaire   +2 more sources

Airfoil Optimization and Analysis Using Global Sensitivity Analysis and Generative Design

Aerospace
This research investigates the optimization of airfoil design for fixed-wing drones, aiming to enhance aerodynamic efficiency and reduce drag. The research employs Kulfan CST and Bézier surface parameterization methods combined with global sensitivity ...
Pablo Rouco, Pedro Orgeira-Crespo, Guillermo David Rey González, Fernando Aguado-Agelet   +3 more
doaj   +1 more source

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

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  

Aerodynamic Interference Mechanisms and Optimization of Two-Dimensional Tandem Airfoils Based on a Bayesian Optimization Framework

Applied Sciences
The highly nonlinear aerodynamic interference in tandem-airfoil configurations significantly hinders the precise exploitation of their aerodynamic potential.
Haijun Gong, Jiayi Li, Tianyu Xia, Haiqing Si, Hao Dong   +4 more
doaj   +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

Shape parameterization of airfoil shapes using Bezier curves

, 2017
Shape parameterization plays an important role in aerodynamic shape optimization process. The parameterization method used for optimization must be able to accurately model the aerodynamic body and also it should be flexible enough to take all the ...
Shikhar Jaiswal, A
core  

On the effects of leading edge vortex generators on an OA209 airfoil [PDF]

, 2009
Leading edge vortex generators have been found to significantly increase the aerodynamic performance of an airfoil under dynamic stall conditions. However, the principle of operation of these devices is still unclear.
Gardner, Anthony, Heine, Benjamin, Mulleners, Karen, Mai, Holger   +3 more
core  

Comparative Study of Nature-Inspired Optimization Algorithms for Aerodynamics Shape Problem of Subsonic Airfoil

, 2016
: The scheme of algorithm is decisively influence the result of aerodynamics shape optimization problem. There are many kind of optimization algorithms that being used, one of them is nature-inspired optimization algorithm such as Particle Swarm ...
Mohamad Arif Andira, Cahya Amalinadhi Putra   +1 more
core