Results 81 to 90 of about 3,820 (224)

Optimization of the double-slot blown airfoil with jet at the leading and trailing edges of the flap

AIP Advances
An active lift augmentation technique combining trailing edge blowing and blown flap is explored in this study. A double-slot blown flap airfoil is designed based on NACA23015.
Songlin Xiang, Qing Wen, Meng Wei, Zhongren Jia   +3 more
doaj   +1 more source

Three-dimensional large-scale aerodynamic shape optimization based on shape calculus

, 2013
Large-scale three-dimensional aerodynamic shape optimization based on the compressible Euler equations is considered. Shape calculus is used to derive an exact surface formulation of the gradients, enabling the computation of shape gradient information ...
Schmidt, Stephan, Ilic, Caslav, Gauger, Nicolas, Schulz, Volker, Gauger, Nicolas Ralph   +4 more
core   +1 more source

Accelerated Airfoil Optimization via a Geometry-Based Discriminator Within Particle Swarm Optimization

IEEE Access
Particle swarm optimization (PSO) is widely used for aerodynamic shape optimization; however, its practical efficiency is often limited by the high computational cost of aerodynamic evaluations and the frequent generation of geometrically unrealistic ...
Leul Walelign Michael, Abdulazez Abagero, Abera Tullu, Yoseph Mekonnen Abebe, Sunghun Jung   +4 more
doaj   +1 more source

Applications and enhancements of aircraft design optimization techniques

, 2012
The aircraft industry has been at the forefront in developing design optimization strategies ever since the advent of high performance computing. Thanks to the large computational resources now available, many new as well as more mature optimization ...
Powell, Stephen
core  

Effects of turbulence modelling on the analysis and optimisation of high-lift configurations [PDF]

, 2011
Due to the significant effects on the performance and competitiveness of aircraft, high lift devices are of extreme importance in aircraft design. The flow physics of high lift devices is so complex, that traditional one pass and multi-pass design ...
Guo, Chuanliang.
core  

The quest for a truly parsimonious airfoil parameterisation scheme

, 2008
The conceptual phase of the aircraft design process demands a parsimonious description of the airframe geometry. While there is no hard and fast upper limit on the affordable number of variables, the so-called 'curse of dimensionality' must always be ...
Sóbester, András, Barrett, Thomas
core  

Research of multi-point infill criteria based on multi-objective optimization front and its application on aerodynamic shape optimization

Advances in Mechanical Engineering, 2017
In this article, efficient multi-point infill criteria based on multi-objective optimization front and its applications on analytic functions and airfoil aerodynamic shape optimization are researched.
Yang Ma, Wei Zhou, Qilong Han
doaj   +1 more source

Enhanced Airfoil Design Optimization Using Hybrid Geometric Neural Networks and Deep Symbiotic Genetic Algorithms

Applied Sciences
Optimal airfoil design remains a critical challenge in aerodynamic engineering, with traditional methods requiring extensive computational resources and iterative processes.
Özlem Batur Dinler
doaj   +1 more source

Design Exploration of the NACA Airfoil Family Using High-Fidelity CFD Analysis [PDF]

INCAS Bulletin
As the aviation industry continues to prioritize sustainability, enhancing aerodynamic efficiency remains a central goal in reducing environmental impact.
Mihai-Vladut HOTHAZIE, Daniel-Eugeniu CRUNTEANU, Mihai-Victor PRICOP, Ionut BUNESCU, Mara-Florina NEGOITA, Mihaita-Gilbert STOICAN   +5 more
doaj   +1 more source

Low-Speed Airfoil Optimization for Improved Off-Design Performance

Aerospace
The advancement of computational capabilities has allowed for more efficient airfoil analysis and design. Consequently, it has become possible to expand the design space and explore new geometries and configurations.
Guilherme F. S. Pangas, Pedro V. Gamboa
doaj   +1 more source