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典型风向下平屋盖低矮结构的流场研究 被引量:1

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摘要 文章针对干扰效应下的屋面风压系数和屋面荷载,分别进行了3风向下孤立平屋盖低矮结构的风洞试验和CFD模拟。风洞试验在北京交通大学回流式风洞完成,CFD模拟基于软件Fluent17.0,使用大涡模拟(Large Eddy Simulation,LES)的Smagorinsky压格子切应力模型。对比两种方法得出的速度剖面、屋面各分区压力系数、各中线压力值、升力系数、阻力系数以及各向力矩系数,验证了CFD模拟的可靠性,对3风向下孤立平屋盖低矮结构的绕流模式进行解释。
出处 《四川建筑》 2018年第4期202-204,207,共4页 Sichuan Architecture
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