| 新广州火车站高速列车过站数值模拟研究 |
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| 引用本文： | 金海,杨易,金新阳,杨立国.新广州火车站高速列车过站数值模拟研究[J].建筑科学,2010,26(3). |
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| 作者姓名： | 金海 杨易 金新阳 杨立国 |
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| 作者单位： | 中国建筑科学研究院,风工程研究中心,北京,100013 |
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| 基金项目： | 国家“十一五”科技支撑计划课题“居住区风环境与室内自然通风关键技术研究”;;国家自然科学基金项目(50708014) |
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| 摘 要： | 列车高速过站引发的气动效应问题,是新广州火车站风工程研究的专题之一。本文基于先进的CFD数值模拟仿真平台,采用"动网格"技术对列车高速过站进行数值模拟研究,一方面对压力波的传递对屋盖结构压力分布的影响进行定量评估,为结构设计提供参考和建议;另一方面,给出高速列车通过时站台区域风速的空间分布范围,结合风环境舒适性评估标准(其中包含危险性风速范围),从而给出站台区域人员活动的安全和舒适范围。
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| 关 键 词： | 高速列车 数值模拟 动网格 风荷载 风环境 舒适度评估 |
Research on Numerical Simulation of High-Speed Train Passing through the New Guangzhou Railway Station |
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| JIN Hai,YANG Yi,JIN Xin-yang,YANG Li-guo.Research on Numerical Simulation of High-Speed Train Passing through the New Guangzhou Railway Station[J].Building Science,2010,26(3). |
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| Authors: | JIN Hai YANG Yi JIN Xin-yang YANG Li-guo |
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| Affiliation: | Center of Wind Engineering Research/a>;China Academy of Building Research/a>;Beijing 100013/a>;China |
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| Abstract: | The strong aerodynamics phenomenon caused by the high-speed train is numerically researched in this paper by using the dynamic mesh method,which is one of a series of wind engineering researches for the New Guangzhou Railway Station.The effect of the pressure wave generated by the high-speed train on the roof structures is analyzed firstly in order to provide referential suggestion for the structural design;then the effect of the wind environment in the range of platform is analyzed.The spatial distribution... |
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| Keywords: | high-speed train numerical simulation dynamic mesh model wind load wind environment pedestrian comfort evaluation |
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