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圆柱体建筑物风压系数的数值模拟 被引量:2

The Numerical Simulation of the Wind Pressure Coefficient for Circular Cross-section Structures
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摘要 利用CFD方法对圆柱体建筑物表面风压进行数值模拟,计算圆柱体建筑物的风压系数和风荷载体型系数,分析湍流模型对体型系数的影响。结果显示,在自适应网格条件下的RNG k-ε湍流模型的模拟结果与《建筑结构荷载规范》中给出的圆柱体建筑物风荷载体型系数能够很好的吻合。 With the help of the commercial soRware FLUENT, The surface wind pressure of circular cross-section structures are numerically simulated and the wind pressure coefficient and wind load shape coefficient can be calculated. Then, the analysis of the relationship between wind load shape coefficient and turbulence model will be made. Comparison between the value given in 〈 Load code for the design of building structures 〉 and the value calculated through CFD simulation can judge the accuracy of wind pressure coefficient. The result indicates that RNG k-ε turbulent model can give a well predication by using solution-adaptive refinement.
出处 《制冷与空调(四川)》 2016年第3期249-255,共7页 Refrigeration and Air Conditioning
基金 广东省重大科技专项资金项目(项目编号:2013A011402001)
关键词 圆柱体建筑物 表面风压 风压系数 风荷载体型系数 数值模拟 circular cross-section structures the surface wind pressure the wind pressure coefficient wind load shape coefficient numerical simulation
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参考文献5

  • 1GB50009--2012建筑结构荷载规范[s].北京:中国建筑工业出版社,2012.
  • 2吴剑锋,王彩华,张文福.湍流模型对建筑物风荷载体型系数数值模拟的影响[J].科学技术与工程,2011,11(6):1368-1370. 被引量:4
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