建筑结构

2008, No.298(10) 83-86

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数值风洞在大跨屋盖结构风荷载确定中的应用
Application of numerical wind tunnel to simulate wind load on long-span roof

孙晓颖;林斌;吴晓蓉;武岳;沈世钊;
Sun Xiaoying,Lin Bin,Wu Xiaorong,Wu Yue,Shen Shizhao(Department of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China)

摘要(Abstract):

运用计算流体力学数值模拟技术对大跨屋盖结构表面风荷载进行了研究。对平屋面和曲面屋面表面风压分布进行了数值模拟。在此基础上,对大庆石油学院体育馆屋盖表面进行了风洞试验和数值模拟的对比研究,并对大射电望远镜FAST反射面的风压分布及其周围流场进行了数值模拟,为该工程的结构抗风设计提供了参考。
Wind load around long-span roof is studied by means of CFD.The numerical simulation of wind-induced pressure has been performed on flat roof and curved roof such as cylinder dome and saddle roof.On the basis of the research mentionedo,the numerical simulation of wind load has performed on the gymnasium roof of Daqing petroleum institute compared with wind tunnel tests.The numerical simulation of flow around Five-hundred-meter-Aperture Spherical Telescope (FAST) has been performed which can be referred in wind-resistant design of the structure.

关键词(KeyWords): 数值模拟;大跨屋盖结构;风荷载;计算流体力学
numerical simulation;long-span roof;wind load;CFD

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(50338010);; 国家自然科学基金面上项目(50078018)

作者(Author): 孙晓颖;林斌;吴晓蓉;武岳;沈世钊;
Sun Xiaoying,Lin Bin,Wu Xiaorong,Wu Yue,Shen Shizhao(Department of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China)

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DOI: 10.19701/j.jzjg.2008.10.028

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