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Interaction Prediction Optimization in Multidisciplinary Design Optimization Problems [PDF]

open access: yesThe Scientific World Journal, 2014
The distributed strategy of Collaborative Optimization (CO) is suitable for large-scale engineering systems. However, it is hard for CO to converge when there is a high level coupled dimension.
Debiao Meng   +4 more
doaj   +5 more sources

Noise prediction research of a scaled turboprop aircraft

open access: yesXibei Gongye Daxue Xuebao, 2021
Aerodynamic noise level has become an important performance index of civil aircraft, and it is drawing more and more attention. Most airframe noise research based on CFD method is aimed at aircraft individual parts at present, while lack of noise ...
Song Minhua   +5 more
doaj   +1 more source

High-dimensional aerodynamic data modeling using a machine learning method based on a convolutional neural network

open access: yesAdvances in Aerodynamics, 2022
Modeling high-dimensional aerodynamic data presents a significant challenge in aero-loads prediction, aerodynamic shape optimization, flight control, and simulation.
Bo-Wen Zan   +4 more
doaj   +1 more source

Discovery of New Ti-Based Alloys Aimed at Avoiding/Minimizing Formation of α” and ω-Phase Using CALPHAD and Artificial Intelligence

open access: yesMetals, 2020
In this work, we studied a Ti-Nb-Zr-Sn system for exploring novel composition and temperatures that will be helpful in maximizing the stability of β phase while minimizing the formation of α” and ω-phase. The Ti-Nb-Zr-Sn system is free of toxic elements.
Rajesh Jha, George S. Dulikravich
doaj   +1 more source

Multidisciplinary Optimization Design of Low-Noise Propellers

open access: yesAerospace, 2023
In this paper, a multidisciplinary optimization design method and its verification of low-noise aircraft propellers considering aerodynamics, noise, and structural strength were carried out to further reduce the aerodynamic noise of the aircraft ...
Dongwen Xue   +3 more
doaj   +1 more source

A New Multidisciplinary Design Optimization Method Accounting for Discrete and Continuous Variables under Aleatory and Epistemic Uncertainties [PDF]

open access: yesInternational Journal of Computational Intelligence Systems, 2012
Various uncertainties are inevitable in complex engineered systems and must be carefully treated in design activities. Reliability-Based Multidisciplinary Design Optimization (RBMDO) has been receiving increasing attention in the past decades to ...
Hong-Zhong Huang   +4 more
doaj   +1 more source

Design Optimization of a Multi-Megawatt Wind Turbine Blade with the NPU-MWA Airfoil Family

open access: yesEnergies, 2019
A new airfoil family, called NPU-MWA (Northwestern Polytechnical University Multi-megawatt Wind-turbine A-series) airfoils, was designed to improve both aerodynamic and structural performance, with the outboard airfoils being designed at high design lift
Jianhua Xu   +3 more
doaj   +1 more source

Multidisciplinary Design Optimization of UAV Airframes [PDF]

open access: yes47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference<BR> 14th AIAA/ASME/AHS Adaptive Structures Conference<BR> 7th, 2006
If one considers the problem of converting an aircraft mission profile into an airframe design from an optimization theory perspective, it becomes obvious that the search problem comes with all the trimmings. The design space is large and multidimensional, there are multiple and often highly multimodal objectives and constraints, these depending not ...
Sobester, A., Keane, A.J.
openaire   +2 more sources

Multi-Objective Multidisciplinary Design Optimization of a Robotic Fish System

open access: yesJournal of Marine Science and Engineering, 2021
Biomimetic robotic fish systems have attracted huge attention due to the advantages of flexibility and adaptability. They are typically complex systems that involve many disciplines.
Hao Chen   +4 more
doaj   +1 more source

Evaluation of Multidisciplinary Design Optimization of Air Taxi and Classic Design [PDF]

open access: yesفناوری در مهندسی هوافضا, 2023
In recent years, the use of air taxis as a suitable solution for transporting cargo and passengers, has been considered especially in short distances and in the city. Complex systems, such as air taxis, are involved in several subsystems with interacting
Hossein Sadati   +2 more
doaj   +1 more source

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