文档介绍：第41卷增刊 2011年4月建筑结构 Building Structure S1 高层建筑结构风荷载数值模拟研究于敬海1, 王莹1,曲文超2 (1天津大学建筑工程学院,天津300072:2中南建筑设计院,武汉430071) [摘要] 通过深入研究高层建筑结构风荷载理论计算方法,建立数值模拟的流体计算域模型和结构模型,进行了单体建筑的静、动力风荷载数值模拟;将模拟结果与文献中风洞试验的结果进行对比,验证了数值模拟的准确性和可靠性;结合风洞试验结果对两种常用湍流物理模型:剪应力输运SST矗咖模型和重正化群组RNG k-e模型的模拟效果进行了对比分析,结果表明RNG k-e模型更为合理;采用RNG k-e模型对单体建筑进行了详细分析,结果表明结构的最大动力响应大于静力响应。计算的几何模型为一长方柱(模拟高层建筑),对方柱绕流的成功模拟将给更复杂钝体流动现象的数值模拟提供有价值的参考. [关键词]高层建筑;风倚载;数值模拟中图分类号: 文献标识码:A 文章编号:1002-848X(2011)S1-1418-05 Numerical simulation ofwind load acting on high·risebuilding YuJinghail,Wang Yin91,Qu Wencha02 (1 School ofCivil Engineering Department,Tinajin University,Tianjin 300072,China; 2Central-South Architectural Design Insfitute,Wuhan430071,China) Abstract:Based on thet}leoretiealcalculation method wind loadacting on structures。numerical simulati0118 ofboth and dynamic wind load acting on single building were carried out by establishing botllfluidmodel and structural pared theresultofwind tunnel fromtheref÷ accuracy andreliability numerical simulations were turbulence models,Shear Stress Transport model and Renormalization Group model,were resultsshow Renormalization Group model relatively more ofstructuralresponse shows thedynamic effect ofthebuilding more obvious thanthe model asquare-cylinder。 and essful simulation offluidflowaround asingl