近壁面柱体涡激振动的迟滞效应1)
刘俊*†,高福平*†2)(
)
)
HYSTERESIS IN VORTEX-INDUCED VIBRATIONS OF A NEAR-WALL CYLINDER1)
Liu Jun*†,Gao Fuping*†2)()
)
图12. 迟滞发生时的对应振幅随间距比变化
Fig.12. Variation of vibration amplitude when hysteresis occurs with gap-to-diameter ratio ($D =0.08$m,$m^*=1.85$,$f_{\rm n} =0.57$Hz, $\zeta = 1.10\times 10^{ - 2}$,$K_{\rm s}=3.14\times 10^{ - 2}$,${Re}=O(10^{4})$)
