Results 21 to 30 of about 37,855 (164)

Suppression of Bridge Flutter Using Suction Control

Advances in Civil Engineering, 2021
To verify the effectiveness of the suction-based method for improving flutter stability of long-span bridges, the forced vibration experiments for extracting the flutter derivatives of a section model with and without suction were performed, and the ...
Shibo Tao
doaj   +1 more source

Flutter Reliability Analysis of Xiangshan Harbor Highway Cable-Stayed Bridges in Service

Applied Sciences, 2022
With the development of bridge structures towards being light weight and having a large span , the overall flexibility, and, hence, wind sensitivity, of the bridge increases.
Tian Zhang, Xinjia Cui, Xuefan Zhang, Haijiang Li, Yunfeng Zou   +4 more
doaj   +1 more source

Atrial flutter

Clinical Cardiology, 1971
No Abstract.
openaire   +5 more sources

Flagmill -A new power generator utilizing flexible sheet-

Journal of Fluid Science and Technology, 2015
The present study proposes “a flagmill”, which is a new power generator utilizing the flutter of a flexible sheet such as a flag. The sheet flutter causes the angular oscillation of the supporting pole. Since the supporting pole is connected to the power
Donghyuk KANG, Kazuhiko YOKOTA, Kotaro SATO   +2 more
doaj   +1 more source

Aeroelastic Numerical Simulation of 2 DoF Sectional Model of Long Span Bridge to Determine Flutter Instability Characteristics

Media Komunikasi Teknik Sipil
Flutter is an aerodynamic instability on a long span bridge that can cause damage to the entire bridge deck structure. The interaction between wind and structure in long span bridges can be investigated by numerical simulation.
sulistiya sulistiya, Mochammad Agoes Moelyadi, Muhammad Kusni, Mahesa Akbar   +3 more
doaj   +1 more source

Flutter Condition Estimation for 3-D Cantilever Plate Using Fully Coupled Fluid – Structure Interaction [PDF]

Engineering and Technology Journal, 2014
The aeroelastic responses and the flutter condition of 3-D flexible cantilever plate were estimated by developed fully coupled fluid-structure interaction(FSI) approach.
Hayder Sabah Abd Al-Amir, Mauwafak Ali Tawfik, Mohammed Idris Abu-Tabikh   +2 more
doaj   +1 more source

Research on Flutter Characteristics and Stiffness Design for 15 Meters Span Wing of a Solar-powered Aircraft

Hangkong gongcheng jinzhan, 2019
Flutter widely happens on solar-powered aircraft due to the slight stiffness and large deformation, so that it is significant to establish the dynamic model of solar-powered aircraft and analyze the flutter characteristics.Firstly, an initial dynamic ...
Mao Yiqing, Yang Fei, Gu Yingsong
doaj   +1 more source

Flutter Mechanism of a Thin Plate Considering Attack Angles

Applied Sciences
It is well known that the flutter performance of a section is sensitive to the changing wind angles of attack. Exploring the thin plate’s flutter mechanism under different angles of attack is excellent, which helps understand inner flutter ...
Chengjun Yan, Qi Wang, Bo Wu, Lin Huang
doaj   +1 more source

Three dimensional flutter analysis and wind-tunnel experiments of a rectangular sheet supported by a wire (Influence of eccentricity on the flutter characteristics and occurrence condition)

Nihon Kikai Gakkai ronbunshu, 2016
This paper deals with the flutter analysis of a rectangular sheet supported by a wire in axial flow. In the flutter analysis, Doublet-Point Method based on unsteady lifting surface theory is used to calculate the unsteady fluid force acting on the sheet ...
Keiichi HIROAKI, Masahiro WATANABE
doaj   +1 more source

Study on the asymmetric extension state's flutter characteristics of a telescopic wing UAV

Hangkong gongcheng jinzhan
Telescopic wing UAVs not only exhibit excellent flight performance across a wide speed range but can also utilize asymmetric wing extensions for flight control. This study focuses on a UAV with asymmetrically extendable wings.
YANG Jian, JIANG Panpan, CHEN Liyong, LIU Xiaochuan, WANG Wei   +4 more
doaj   +1 more source