【摘 要】
：
Based on curve fitting of coefficients of three component forces of the Messina Straits Bridge, and the previously proposed semi-analytical expressions of flutt
【机 构】
：
Department of Civil Engineering
论文部分内容阅读
Based on curve fitting of coefficients of three component forces of the Messina Straits Bridge, and the previously proposed semi-analytical expressions of flutter deriva-tives of flexible structure, the change of flutter derivatives of slender bridge cross-section with respect to its aerodynamic center, rotational speed and angle variation is studied using a parametric method. The calculated results are compared with the measured ones, and expressions of flutter derivatives of the Messina Straits Bridge are derived. The in-trinsic relationships existing in flutter derivatives are validated again. It is shown that the influence of the rotational speed on flutter derivatives is not negligible. Therefore, it provides an additional semi-analytical approach for analyzing flutter derivatives of the bridge with streamlined cross-section to get its aerodynamic information.
其他文献
加强和改进非全日制用工人员的管理,对维护队伍稳定、大局稳定、社会稳定,确保企业和谐稳定健康发展具有十分重要的现实意义。
To strengthen and improve the management o
本文的主要工作是研究一套适应于高校的淋浴控制系统,取代过去的人工收费,减少水资源浪费等情况.给出了一种淋浴水控系统的解决方案.
市政给水管道工程设计,要依据室外给水设计规范、小区给水规范、施工规范、消防规范、给水排水设计手册等相关规范和手册,并结合地区地理、气候特点及当地水司的运行规程等实
本文分析了我国村镇建设中建筑材料能耗对我国建筑节能的巨大影响.针对目前我国村镇建筑材料标准化存在的问题,总结了村镇建筑材料标准化研究和发展方向,同时阐述了发展村镇
Silicon oxide (SiOx) nanowires are generally grown on Si substrate under the catalysis of Au in N2 atmosphere at elevated temperatures. Because the price of Au
The diversity of microstructure and properties of 830 Mpa grade pipeline steel containing chromium was investigated by optical microscope and transmission elect
Two variants of systematic resampling (S-RS) are proposed to increase the diversity of particles and thereby improve the performance of particle filtering when
The microstructure of an as-cast Mg-Zn-Er alloy was investigated through scanning electron microscopy (SEM) and transmission electron microscopy (TEM) equipped
In the background of little reuse and large stockpile for iron ore railings, iron ore tailing from Chinese Tonghua were used as raw material to prepare cementit