Results 91 to 100 of about 224,566 (258)

Progressive construction of a parametric reduced-order model for PDE-constrained optimization [PDF]

open access: yes, 2014
An adaptive approach to using reduced-order models as surrogates in PDE-constrained optimization is introduced that breaks the traditional offline-online framework of model order reduction.
Farhat, Charbel, Zahr, Matthew J.
core  

Manifold Learning for Aerodynamic Shape Design Optimization

open access: yesAerospace
The significant computational cost incurred due to the iterative nature of Computational Fluid Dynamics (CFD) in traditional aerodynamic shape design frameworks poses a major challenge, especially in the context of modern integrated design requirements ...
Boda Zheng   +3 more
doaj   +1 more source

Multi-disciplinary robust design of variable speed wind turbines [PDF]

open access: yes, 2011
This paper addresses the preliminary robust multi-disciplinary design of small wind turbines. The turbine to be designed is assumed to be connected to the grid by means of power electronic converters.
Campobasso, Michele Sergio   +4 more
core  

A New Cokriging Method for Variable-Fidelity Surrogate Modeling of Aerodynamic Data [PDF]

open access: yes, 2010
Cokriging is a statistical interpolation method for the enhanced prediction of a less intensively sampled primary variable of interest with assistance of intensively sampled auxiliary variables. In the geostatistics community it is referred to as two- or
Görtz, Stefan   +2 more
core   +1 more source

An Improved Approach for Reducing the Dimensionality of Wing Aerodynamic Optimization Considering Longitudinal Stability

open access: yesAerospace
The wing aerodynamic shape optimization is a typical high-dimensional problem with numerous independent design variables. Researching methods to reduce the dimensionality of optimization from the perspective of aerodynamic characteristics is necessary ...
Boqian Ji   +4 more
doaj   +1 more source

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

open access: yesMathematics
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   +5 more
doaj   +1 more source

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

open access: yesHangkong 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   +3 more
doaj   +1 more source

Aerodynamic shape optimization based on discrete adjoint and RBF

open access: yesJournal of Computational Physics, 2023
L. Abergo, M. Morelli, A. Guardone
semanticscholar   +1 more source

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

open access: yesAerospace
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   +3 more
doaj   +1 more source

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