Results 21 to 30 of about 69,093 (209)

Optimization and Design of a Flexible Droop-Nose Leading-Edge Morphing Wing Based on a Novel Black Widow Optimization Algorithm—Part I

Designs, 2022
An aerodynamic optimization for a Droop-Nose Leading-Edge (DNLE) morphing of a well-known UAV, the UAS-S45, is proposed, using a novel Black Widow Optimization (BWO) algorithm.
Musavir Bashir, Simon Longtin-Martel, Ruxandra Mihaela Botez, Tony Wong   +3 more
doaj   +1 more source

Non-parametric Aerodynamic Shape Optimization [PDF]

, 2011
Numerical schemes for large scale shape optimization are considered. Exploiting the structure of shape optimization problems is shown to lead to very efficient optimization methods based on non-parametric surface gradients in Hadamard form. The resulting loss of regularity is treated using higher-order shape Newton methods where the shape Hessians are ...
Gauger, Nicolas, Ilic, Caslav, Schmidt, Stephan, Schulz, Volker   +3 more
openaire   +3 more sources

Aerodynamic shape optimization of a low drag fairing for small livestock trailers [PDF]

, 2008
Small livestock trailers are commonly used to transport animals from farms to market within the United Kingdom. Due to the bluff nature of these vehicles there is great potential for reducing drag with a simple add-on fairing.
Foxley, N.A., Gaskell, P.H., Gilkeson, C.A., Thompson, H.M., Toropov, V.V., Wilson, M.C.T.   +5 more
core   +1 more source

An effective approach for robust design optimization of wind turbine airfoils with random aerodynamic variables

Advances in Mechanical Engineering, 2019
The robust design optimization of an airfoil needs to continuously realize the probability-based aerodynamic simulation for various combinations of geometry and wind climate parameters.
Xufang Zhang, Zhenguang Wu, Wei He
doaj   +1 more source

New heuristic algorithms for rolling air frame aerodynamic parameters estimation

Aviation, 2020
In this research, based on heuristic optimization algorithms, three new strategies are developed for Aerodynamic Parameters Estimation (APE) of one pair ON-OFF actuator rolling airframe.
Ayham Mohamad, Jalal Karimi, Alireza Naderi   +2 more
doaj   +1 more source

Research on 3D Design of High-Load Counter-Rotating Compressor Based on Aerodynamic Optimization and CFD Coupling Method

Energies, 2022
In view of the flow instability problem caused by the strong shock wave and secondary flow in the channel of the high-load counter-rotating compressor, this paper adopts the design method of coupling aerodynamic optimization technology and CFD and ...
Tingsong Yan, Huanlong Chen, Jiwei Fang, Peigang Yan   +3 more
doaj   +1 more source

An optimization method for nacelle design [PDF]

, 2017
A multi-objective optimiZation method is demonstrated using an evolutionary genetic algorithm. The applicability of this method to preliminary nacelle design is demonstrated by coupling it with a response surface model of a wide range of nacelle designs.
Heidebrecht, A., MacManus, David G., Robinson, M.   +2 more
core   +1 more source

Tiltrotor CFD part II: aerodynamic optimisation of tiltrotor blades [PDF]

, 2017
This paper presents aerodynamic optimisation of tiltrotor blades with high-fidelity computational fluid dynamics. The employed optimisation framework is based on a quasi-Newton method, and the required high-fidelity flow gradients were computed using a
Barakos, G.N., Baverstock, K.D., Biava, M., Gates, S., Jimenez Garcia, A., Mullen, P.   +5 more
core   +1 more source

Adjoint Optimization for Vehicle External Aerodynamics

International Journal of Automotive Engineering, 2016
https://www.researchgate.net/publication ...
Karpouzas Georgios K., Papoutsis-Kiachagias Evangelos M., Schumacher Thomas, Villiers Eugene de, Giannakoglou Kyriakos C., Othmer Carsten   +5 more
openaire   +4 more sources

Shape Optimization of the Streamlined Train Head for Reducing Aerodynamic Resistance and Noise

Applied Sciences, 2022
Aiming to improve the comprehensive aerodynamic performance of a high-speed train, a multi-objective shape optimization method for a streamlined train head is proposed in this work.
Mengge Yu, Jiali Liu, Wei Huo, Jiye Zhang   +3 more
doaj   +1 more source