草帽型大跨空间结构的风压数值模拟与关键参数影响分析  

Wind pressure simulation and key influence factors analysis of Mexico-Hat like spatial structures

作　　者：陈怡然[1] 周岱[1] 归洛圣 

机构地区：[1]上海交通大学船舶海洋与建筑工程学院,上海200240

出　　处：《振动与冲击》2013年第15期37-40,53,共5页Journal of Vibration and Shock

基　　金：国家自然科学基金资助项目(51078230)资助;第五期"上海交通大学大学生创新实践计划"(2012年)资助

摘　　要：基于计算流体动力学(CFD)及SST k-ω湍流模型,运用FLUENT软件对草帽型大跨空间结构表面风压及规律进行数值模拟与分析比较;运用典型算例分析对比模拟结果与既有文献结果,验证数值模拟的可信性。并系统研究结构高跨比等关键参数对草帽型空间结构表面不同部位风压分布的影响。Based on computational fluid dynamics and SST k-ω turbulence model, the wind pressure distribution of Mexico-hat like spatial structures was numerically investigated and analyzed by using FLUENT software. The benchmark problem was used to verify the numerical results by comparing the current simulation results with the existing research results from related references. The influence of height-width ratio on wind pressure distribution on different parts of Mexico-hat like spatial structure was studied in detail.

关 键 词：草帽型空间结构 风压分布 SST k-ω湍流模型 

分 类 号：TU312.1[建筑科学—结构工程]