株洲体育场馆的计算流体动力学数值模拟

CFD Numerical Simulation of Viscous Flow Around Zhuzhou Gymnasium

以株洲体育场馆为研究对象,进行了粘性流场的数值模拟,比较了屋盖升力系数和流场细节,将数值模拟结果和试验结果进行了分析,结果令人满意,特别是基于整个雨篷屋面的体形系数吻合的更好。本文还针对株洲体育中心复杂外形几何特点,构造了特定网格拓扑结构,使用分块结构化网格对该建筑进行数值模拟。模拟结果和试验数据以及涡方法的数值方法结果进行比较,结果表明可以解决具有复杂外形三维建筑物气动力学设计问题,具有较好的计算精度。

The numerical simulation of wind flow field around Zhuzhou gymnasium was carried out.According to different geometrical characteristics and connection ways of different complicated shape of bodies,different grid partition methods were adopted.The numerical results of lift coefficients of building roof and detailed phenomena of the wind flow field are in good agreement with the wind tunnel test results.The numerical simulation results can attain quite comparable precision compared with wind tunnel test data.