Results 91 to 100 of about 4,033 (212)

Aeromechanical optimization of first row compressor test stand blades using a hybrid machine learning model of genetic algorithm, artificial neural networks and design of experiments

Engineering Applications of Computational Fluid Mechanics, 2019
In this paper, optimization of the first blade of a new test rig is pursued using a hybrid model comprising the genetic algorithm, artificial neural networks and design of experiments.
Mohammad Ghalandari, Alireza Ziamolki, Amir Mosavi, Shahaboddin Shamshirband, Kwok-Wing Chau, Saeed Bornassi   +5 more
doaj   +1 more source

A Study on the Surrogate-Based Optimization of Flexible Wings Considering a Flutter Constraint

Applied Sciences
Accounting for aeroelastic phenomena, such as flutter, in the conceptual design phase is becoming more important as the trend toward increasing the wing aspect ratio forges ahead. However, this task is computationally expensive, especially when utilizing
Alessandra Lunghitano, Frederico Afonso, Afzal Suleman   +2 more
doaj   +1 more source

High-Fidelity Aeroelastic Analysis of a Wind Turbine Using a Nonlinear Frequency-Domain Solution Method

Energies
This paper investigates the aeroelastic behaviour of a full wind turbine model with realistic blade vibration amplitude (9% span) using a nonlinear frequency-domain solution method.
Shine Win Naung, Mohammad Rahmati, Htet Shine   +2 more
doaj   +1 more source

Dynamic similarity criteria for simple cases of buildings and structures aerodynamics

Budownictwo i Architektura
The work concerns dynamic similarity criteria of various phenomena occurring in hydraulics and fluid dynamics originally derived from ratios of forces and forces moments affecting these phenomena. The base of dynamic similarity criteria formulations and
Andrzej Flaga, Łukasz Flaga
doaj   +1 more source

Role of HPC in Advancing Computational Aeroelasticity

, 2004
On behalf of the High Performance Computing and Modernization Program (HPCMP) and NASA Advanced Supercomputing Division (NAS) a study is conducted to assess the role of supercomputers on computational aeroelasticity of aerospace vehicles.
Guruswamy, Guru P.
core  

A Time-Domain Calculation Method for Gust Aerodynamics in Flight Simulation

Aerospace
Gusts have a significant impact on aircraft and need to be analyzed through flight simulations. The solution for time-domain gust aerodynamic forces stands as a pivotal stage in this process. With the increasing demand for flight simulations within gusty
Zexuan Yang, Chao Yang, Daxin Wen, Wenbo Zhou, Zhigang Wu   +4 more
doaj   +1 more source

Space transportation system technology symposium. Volume 2 - Dynamics and aeroelasticity [PDF]

, 1970
Dynamics and aeroelasticity for space ...

core  

Modeling and analysis of high aspect ratio wing considering random structural parameters. [PDF]

Sci Rep, 2021
Fu B, Yang Y, Qi H, Xu J, Wang S.
europepmc   +1 more source

VIBRATIONS OF THIN WINGS IN THE SEPARATED FLOW. CALCULATION AND EXPERIMENT

Научный вестник МГТУ ГА, 2016
The results of computational and experimental study of thin wings flutter in separated and unseparated flow are presented. The effect of flutter suppressing in the presence of separation is found.
V. V. Ovchinnikov, Yu. V. Petrov
doaj  

Numerical and Experimental Study of Flutter in a Realistic Labyrinth Seal

International Journal of Turbomachinery, Propulsion and Power
Labyrinth seals are commonly used in turbomachinery in order to control leakage flows. Flutter is one of the most dangerous potential issues for them, leading to High Cycle Fatigue (HCF) life considerations or even mechanical failure.
Oscar Bermejo, Juan Manuel Gallardo, Adrian Sotillo, Arnau Altuna, Roberto Alonso, Andoni Puente   +5 more
doaj   +1 more source