An improvement of the step-by-step analysis method for study on passive flutter control of a bridge deck

被引：2
|
作者：
Nguyen Van Khang [1 ]
Seils, Axel [2 ]
Tran Ngoc An [3 ]
Nguyen Phong Dien [1 ]
Nguyen Trong Nghia [4 ]
机构：
[1] Hanoi Univ Sci & Technol, Dept Appl Mech, 1 Dai Co Viet Rd, Hanoi, Vietnam
[2] Hamburg Harburg Univ Technol, Hamburg, Germany
[3] Vietnam Maritime Univ, Haiphong, Vietnam
[4] Hanoi Univ Transport, Hanoi, Vietnam
来源：
ARCHIVE OF APPLIED MECHANICS | 2016年 / 86卷 / 03期
关键词：
Flutter instability; Passive control; Step-by-step analysis; Numerical simulation; Optimization; Experimental study; WIND-INDUCED INSTABILITIES; FLAPS CONTROL-SYSTEM; TUNED MASS DAMPERS; LONG-SPAN BRIDGES; BRANCH CHARACTERISTICS; AERODYNAMIC CONTROL; TORSIONAL FLUTTER; SUPPRESSION; MODEL;
D O I：
10.1007/s00419-015-1046-z
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The present study investigated the problem of increasing the critical flutter wind speed of long-span bridges by using tuned mass dampers (TMDs) on both theoretical and experimental aspect. The governing equations of motion of a bridge deck with TMD are analytically formulated. The method of step-by-step flutter analysis is improved and extended from the 2-DOF model to the 4-DOF model to calculate the critical flutter wind speed and parameters of TMD. A sectional model wind tunnel test is carried out to examine and validate the numerical results, and some new findings from the obtained results are included.
引用
收藏
页码：557 / 573
页数：17
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