Results 11 to 20 of about 80,881 (317)

Three dimensional flutter analysis and wind-tunnel experiments of slender webs in cross flow

open access: yesNihon 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
doaj   +1 more source

Aeroelastic analysis and flutter control of wings and panels: A review

open access: yesInternational Journal of Mechanical System Dynamics, 2021
Flutter is a self‐excited vibration under the interaction of the inertial force, aerodynamic force, and elastic force of the structure. After the flutter occurs, the aircraft structures will exhibit limit cycle oscillation, which will cause catastrophic ...
Yuyang Chai   +4 more
doaj   +1 more source

Research Progress and Prospect of Thermal Flutter of Hypersonic Vehicles

open access: yesHangkong 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
doaj   +1 more source

Research on the Flutter Stability of Bridge Sections Based on an Empirical Formula of an Aerostatic Three-Component Coefficient

open access: yesBuildings, 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
doaj   +1 more source

Calculation of AGARD Wing 445.6 Flutter Using Navier-Stokes Aerodynamics [PDF]

open access: yes, 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
core   +3 more sources

CFD-Based Aeroelastic Sensitivity Study of a Low-Speed Flutter Demonstrator

open access: yesAerospace, 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
doaj   +1 more source

Research on Feature Extracted Method for Flutter Test Based on EMD and CNN

open access: yesInternational 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
doaj   +1 more source

The high efficiency and accuracy prediction analysis of the flutter envelope

open access: yesHangkong 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
doaj   +1 more source

Association of typical atrial flutter and cavotricuspid isthmus ablation on clinical recurrence after cryoballoon ablation for atrial fibrillation

open access: yesFrontiers 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
doaj   +1 more source

Flutter test of rudder with real servo actuator in continuous transonic wind tunnel

open access: yesXibei Gongye Daxue Xuebao, 2022
Flutter wind tunnel test is an important approach of investigation of transonic flutter characteristics of flight vehicle. Comparing with the blow-down wind tunnel, the long-running and low dynamic pressure capabilities of continuous transonic wind ...
HAN Jiangxu   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy