以上海“东方明珠”电视塔为工程背景,利用CFD模拟其静风荷载,考虑结构表面粗糙度,计算模拟多体间流场干扰问题,数值模拟结果和风洞试验结果吻合良好。在此基础上,进一步研究结构表面粗糙度对风压分布特征的影响。结果表明,圆球表面粗糙度分布对其表面风压分布的对称性特征影响不大;对于三圆柱绕流问题,柱体表面粗糙度分布变化时,偏流现象稳定存在,偏流程度略有改变。 Taking Shanghai “Oriental Pearl ” TV Tower as the engineering background, CFD simulation of static wind load, considering the structure surface roughness, simulation of multi-body flow field interference problems, the numerical simulation results and wind tunnel test results in good agreement. On this basis, further study of structural surface roughness on the wind pressure distribution characteristics. The results show that the spherical surface roughness distribution has little effect on the symmetry of the surface wind pressure distribution. For the three-cylinder flow around the cylinder, when the distribution of the cylinder surface roughness varies, the bias current phenomenon exists stably and the degree of bias current changes slightly.