Results 11 to 20 of about 80,941 (296)
Aeroelastic analysis considering structural uncertainty
Aviation, 2005 Uncertainties in aero elastic analysis are investigated. In aero elastic analysis, we usually find divergence speed or flutter speed by using deterministic equations of motion for elastic wings of aircraft.
Takeo Ueda
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Three dimensional flutter analysis and wind-tunnel experiments of slender webs in cross flow
Nihon Kikai Gakkai ronbunshu, 2017 This paper presents a three dimensional flutter analysis of slender webs under tension in cross flow. In the flutter analysis, Doublet-point method based on the unsteady lifting surface theory is used to calculate unsteady fluid force acting on the web ...
Keiichi HIROAKI +2 more
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Research Progress and Prospect of Thermal Flutter of Hypersonic Vehicles
Hangkong gongcheng jinzhan, 2022 Hypersonic vehicle is subjected to severe aerodynamic load and aerodynamic heating during the flight.Thus structural dynamic stability and response caused by aerodynamic force and aerodynamic heating should be fully considered in the design process of ...
CHEN Haoyu +3 more
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Calculation of AGARD Wing 445.6 Flutter Using Navier-Stokes Aerodynamics [PDF]
, 1993 An unsteady, 3D, implicit upwind Euler/Navier-Stokes algorithm is here used to compute the flutter characteristics of Wing 445.6, the AGARD standard aeroelastic configuration for dynamic response, with a view to the discrepancy between Euler ...
Anderson W. K. +21 more
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CFD-Based Aeroelastic Sensitivity Study of a Low-Speed Flutter Demonstrator
Aerospace, 2019 The goal of developing aircraft that are greener, safer and cheaper can only be maintained through significant innovations in aircraft design. An integrated multidisciplinary design approach can lead to an increase in the performance of future derivative
Vladyslav Rozov +4 more
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Buildings, 2022 In order to study the relationship between an aerostatic three-component coefficient (ATCC) and bridge flutter and to quickly evaluate the flutter performance of bridges, we proposed a method based on the empirical formula of the ATCC.
Hui Gao +4 more
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Research on Feature Extracted Method for Flutter Test Based on EMD and CNN
International Journal of Aerospace Engineering, 2021 Due to the inevitable deviations between the results of theoretical calculations and physical experiments, flutter tests and flutter signal analysis often play significant roles in designing the aeroelasticity of a new aircraft.
Hua Zheng +3 more
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The high efficiency and accuracy prediction analysis of the flutter envelope
Hangkong gongcheng jinzhan, 2023 It is significant to efficiently and accurately determine the flutter boundary of various aircraft configura-tions in the aircraft design. In this paper, the linear unsteady aerodynamic method and nonlinear unsteady aerody-namic method are adopted for ...
CHENG Fang, LI Junjie
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Frontiers in Cardiovascular Medicine, 2023 Typical atrial flutter commonly occurs in patients with atrial fibrillation (AF). Limited information exists regarding the effects of concurrent atrial flutter on the long-term outcomes of rhythm control.
Joo Hee Jeong +17 more
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Research Progress on Stability Analysis of Turning Process
Journal of Harbin University of Science and Technology, 2019 During the turning process, the instability caused by chatter will cause a very bad influence on the life of the machine tool and the cutting tool, the machining efficiency and the surface quality In order to improve the efficiency and quality of turning
QIN Lei +3 more
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