Results 71 to 80 of about 41,222 (159)

A computational assessment of the aerodynamic performance of a tilted Darrieus wind turbine [PDF]

, 2015
The aerodynamic performance of a Darrieus wind turbine operating with the rotation axis tilted with respect to the free-stream wind speed is investigated in this paper. An Unsteady Reynolds Averaged Navier Stokes (URANS) Computational Fluid Dynamics (CFD)
Bedon, Gabriele, Benini, Ernesto, DE BETTA, Stefano   +2 more
core   +1 more source

A novel comprehensible non-intrusive sensitivity-driven additive Aerodynamic Shape Optimization (AASO) and its implementation using the Lattice Boltzmann Method (AASO-LBM)

Scientific Reports
Shape optimization is a relevant topic in many fields such as e.g. fluid energy harvesting, passive mixer design or pressure loss reduction in channels.
F.-J. Granados-Ortiz
doaj   +1 more source

An Adaptive GPR-Based Multidisciplinary Design Optimization of Structural and Control Parameters of Intelligent Bus for Rollover Stability

Mathematics
Considering the influence of high-speed obstacle avoidance trajectory in the optimization design stage of intelligent bus aerodynamic shape. A collaborative optimization method aiming at aerodynamic structure and trajectory control system for intelligent
Tingting Wang, Xu Shao, Dongchen Qin, Kun Huang, Mingkuan Yao, Yuechen Duan   +5 more
doaj   +1 more source

Aerodynamic Optimization Design of the Rotor Blade of a Tilt-rotor Aircraft

Hangkong gongcheng jinzhan, 2019
The aerodynamic design of tilt-rotor needs to synthetically consider the different requirements in helicopter mode and fixed-wing aircraft mode. The multi-objective genetic algorithm based on Kriging surrogate model is used to establish an optimization ...
Sun Kaijun, Zhang Lian, Fu Yiwei, Yu Yueyang   +3 more
doaj   +1 more source

Aerodynamic Shape Optimization of Subsonic/Supersonic Flows Integrating Variable-Fidelity Longitudinal Trim Analysis

Aerospace
Most existing studies on aerodynamic shape optimization have not considered longitudinal trim under control surface deflection, typically achieving self-trim through a constraint of zero pitching moment or adjusting the optimized configuration for ...
Yacong Wu, Jun Huang, Boqian Ji, Lei Song   +3 more
doaj   +1 more source

A Multifidelity Radial Basis Function Neural Network for Aerodynamic Shape Optimization [PDF]

Journal of Applied Fluid Mechanics
This study proposes a multifidelity radial basis function neural network (MFRBFNN) model and an associated surrogate optimization framework to facilitate the efficient aerodynamic shape optimization of aircraft. Analytical benchmark functions demonstrate
X. F. Lian, H. Y. Xu, R. Q. Li, G. Y. Yan, Z. W. Wang   +4 more
doaj   +1 more source

Aerodynamic Optimization of the Nose Shape of a Train Using the Adjoint Method

Journal of Applied Fluid Mechanics, 2015
The adjoint method is used in this paper for the aerodynamic optimization of the nose shape of a train. This method has been extensively applied in aircraft or ground vehicle aerodynamic optimization, but is still in progress in train aerodynamics.
Jorge Munoz-Paniagua, Javier Garcia, Antonio Crespo, Fabien Laspougeas   +3 more
doaj  

Aerodynamic shape optimization for missile

, 2020
126
openaire   +1 more source

End-to-End Deep-Learning-Based Surrogate Modeling for Supersonic Airfoil Shape Optimization

Aerospace
Aerodynamic shape design optimization faces challenges due to the computational demands and the vast design space, limiting its practicality and scalability.
Diogo Pereira, Frederico Afonso, Fernando Lau   +2 more
doaj   +1 more source

A linearized theory method of constrained optimization for supersonic cruise wing design [PDF]

A linearized theory wing design and optimization procedure which allows physical realism and practical considerations to be imposed as constraints on the optimum (least drag due to lift) solution is discussed and examples of application are presented. In
Carlson, H. W., Middleton, W. D., Miller, D. S.   +2 more
core   +1 more source