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| 连续刚构桥主梁气动特性数值分析 | |
| 引用本文： | 李素杰,彭元诚,龙晓鸿,曹化锦. 连续刚构桥主梁气动特性数值分析[J]. 华中科技大学学报(城市科学版), 2011, 28(3) |
| 作者姓名： | 李素杰 彭元诚 龙晓鸿 曹化锦 |
| 作者单位： | 1. 华中科技大学 土木工程与力学学院; 控制结构湖北省重点实验室,湖北武汉430074 2. 中交第二公路勘察设计研究院有限公司,湖北武汉,430056 3. 华中科技大学 土木工程与力学学院;控制结构湖北省重点实验室,湖北武汉430074 |
| 基金项目： | 中央高校基本科研业务费专项资金(2011QN181); 贵州省交通厅科技项目资助 |
| 摘 要： | 基于流体动力学软件,采用二维圆柱绕流的计算方法,对连续刚构主梁截面进行了仿真分析.首先进行了网格划分方案的比选,将数值模拟结果与风洞实验结果进行对比,进而验证了本文模型以及计算方法的正确性.然后研究了不同风向角作用下,双幅桥上下游梁截面的气动特性,并与单幅桥梁截面气动特性进行对比,得到了双幅桥梁截面气动系数干扰因子,对于研究双幅桥梁截面的气动特性具有重要的意义. |
| 关 键 词： | 连续刚构 数值模拟 风动试验 气动干扰 |
Numerical Simulation for Aerodynamic Characteristics of Continuous Rigid Frame Bridges |
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| LI Su-jie,PENG Yuan-cheng,LONG Xiao-hong,CAO Hua-Jin. Numerical Simulation for Aerodynamic Characteristics of Continuous Rigid Frame Bridges[J]. Journal of Huazhong University of Science and Technology, 2011, 28(3) | |
| Authors: | LI Su-jie PENG Yuan-cheng LONG Xiao-hong CAO Hua-Jin |
| Affiliation: | LI Su-jie1,PENG Yuan-cheng2,LONG Xiao-hong1,CAO Hu a-Jin1 (1.a.School of Civil Engineering and Mechanics,b.Hubei Key Laboratory of Contr ol Structure,Huazhong University of Science and Technology,Wuhan 430074,China,2.CCC Second Highway Consultants Co,Ltd,Wuhan 430056,) |
| Abstract: | Bas-ed on the computational fluid dynamics(CFD),t he method of a two-dimensional cylinder surrounded by unsteady wind flow was usin g to solve the beam cross-section of the Continuous rigid bridge.First,the me shing schemes are compared and optimized.The numerical simulation results are c ompared with wind tunnel tests results to verify the validity of the models and calculation method.Then the aerodynamic characteristics of upstream and downstr eam beam sections of double-width bridges under different atta... |
| Keywords: | continuous rigid frame bridges numerical simulation wind tunnel tests aerodynamic interference |
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