折叠网壳结构在不同参数影响下表面风压分布系数规律研究  

Study on Distribution Coefficient of Wind Pressure on Surface of Folding Reticulated Shell under Different Parameters

作　　者：黄政 颜卫亨[2] Huang Zheng;Yan Weiheng(North China Municipal Engineering Design&Research Institute Co.,Ltd.,Tianjin 300074,China;School of Civil Engineering,Chang'an University,Xi'an,710061,China)

机构地区：[1]中国市政工程华北设计研究总院有限公司,天津300074 [2]长安大学建筑工程学院,西安710061

出　　处：《特种结构》2021年第6期112-116,共5页Special Structures

摘　　要：为研究风敏感结构折叠网壳在风荷载作用下不同参数影响的分布规律,基于流体动力学基本原理和大气边界层基本理论,运用F luent软件对折叠网壳结构在不同风速、风向角、结构单元长度、端门倾角影响下,探讨和分析了折叠网壳结构表面平均风压系数分布规律,确定其影响形体优化和研发的关键参数。结果表明:结构单元长度、端门倾角是影响折叠网壳结构表面平均风压系数分布规律的关键参数,为折叠网壳结构体型优化和研发提供设计方法和理论依据。In order to study the distribution rule of the influence of different parameters on the wind sensitive structure folding reticulated shell under the action of wind load,based on the fundamental principles of fluid dynamics and the theory of atmospheric boundary layer,the distribution rule of the average wind pressure coefficient on the surface of the folding reticulated shell structure under the influence of different parameters such as wind speed,wind direction,structure length and side door angle were discussed and analyzed by using Fluent software,and the key parameters that affect the shape optimization and research and development were determined.The results showed that:the length of structure and the angle of side door are the key parameters that affect the distribution of the average wind pressure coefficient on the surface of the folding reticulated shell structure,it is provided important theoretical significance and design method for researching and developing folding reticulated shell.

关 键 词：计算流体动力学 折叠网壳 CFD数值模拟 平均风压系数 参数分析 

分 类 号：TU312.1[建筑科学—结构工程]