不同风速对单桩式海上风电机组塔筒动态特性的影响
樊昂, 李录平, 刘瑞, 欧阳敏南, 陈尚年

Research on Dynamic Characteristics of Monopile Offshore Wind Turbine Tower Under Different Wind Speed Conditions
Ang FAN, Luping LI, Rui LIU, Minnan OUYANG, Shangnian CHEN
表6 前3种工况下塔筒结构模态频率值
Tab. 6 Modal frequency values of the tower structure under the first three simulation conditions
模态阶数叶片静止工况/Hz工况1计算值/Hz变化率/%工况2计算值/Hz变化率/%工况3计算值/Hz变化率/%
一阶频率0.154 920.159 512.9660.163 745.6970.169 289.27
二阶频率0.158 080.162 622.8690.166 675.4310.172 369.03
三阶频率0.643 330.646 740.5310.648 990.8800.649 570.97
四阶频率0.735 980.740 370.5970.742 100.8320.743 501.02
五阶频率0.890 430.902 101.3100.911 102.3210.954 757.22
六阶频率1.364 941.410 453.3341.421 004.1071.437 705.33