Title :
Design the cross-section shape of the stay-cables´ casing and optimization basing on damping
Author :
Du, Chongjie ; Li, Shihua ; Hou, Jianxia
Author_Institution :
Mech. & Electron. Control Eng. Dept., Yanshan Univ., Qinhuangdao, China
Abstract :
To extend cable-stayed utility longevity and reduce the frequency of vortex-induced vibration. Firstly, this paper designs a new-style cross-section shape of the stay-cables´ casing with the help of aerodynamics. Secondly, it establishes its expression making use of CFD, afterward, it compares the new model with existing and gets the new modle can avoid coming into being significantly vibration. It assures the security of cable stayed Bridge. Lastly, it optimizes cross-section shape basing on Genetic Algorithms and obtains the best model.
Keywords :
aerodynamics; bridges (structures); cables (mechanical); computational fluid dynamics; design engineering; genetic algorithms; structural engineering; vibrations; vortices; CFD; aerodynamics; cable-stayed bridges; cable-stayed casing; damping; design; genetic algorithms; optimization; vortex-induced vibration; Damping; Genetic algorithms; Optimization; Shape; Software; Solid modeling; Vibrations; CFD; cable-stayed; genetic algorithms; vortex-induced vibration;
Conference_Titel :
Fluid Power and Mechatronics (FPM), 2011 International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-8451-5
DOI :
10.1109/FPM.2011.6045731
