错列角度对双圆柱涡激振动影响的数值模拟研究

段松长, 赵西增, 叶洲腾, 王凯鹏

NUMERICAL STUDY OF STAGGERED ANGLE ON THE VORTEX-INDUCED VIBRATION OF TWO CYLINDERS

Duan Songchang, Zhao Xizeng, Ye Zhouteng, Wang Kaipeng

表1 单圆柱绕流结果

Table 1 Result of flow past a singular circular cylinder

Grids Cd.mean (RE) St (RE) mesh1 407 800 1.313 5 0.193 4 mesh2 92 800 1.304 6(0.67%) 0.190 4(1.5%) mesh3 32 175 1.291 1(1.7%) 0.185 5(4.08%) mesh4 12 500 1.171 5(10.8%) 0.169 7 (12.2%) Ref.[20] — 1.336 0.194 Ref.[21] — 1.3 0.196 Ref.[22] — 1.32 0.1922