不同控制角下附加圆柱对圆柱涡激振动影响
EFFECTS OF THE ADDED CYLINDERS WITH DIFFERENT CONTROL ANGLES ON THE VORTEX-INDUCED VIBRATIONS OF A CIRCULAR CYLINDER
图8. 当$\theta = 60^ \circ$时,主圆柱升力频谱随折合流速变化的情况
Fig.8. Lift spectra of the main cylinder versus the reduced velocity at$\theta = 60^ \circ$
