近壁面柱体涡激振动的迟滞效应1)
刘俊*†,高福平*†2)(
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HYSTERESIS IN VORTEX-INDUCED VIBRATIONS OF A NEAR-WALL CYLINDER1)
Liu Jun*†,Gao Fuping*†2)()
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图4. 升速阶段涡激振动触发前后柱体位移随流速变化
Fig.4. Variations of cylinder displacement with velocity before and after the onset of vortex-induced vibration in increasing velocity stage ($D =0.08$m,$m^*=1.85$,$f_{\rm n} =0.57$Hz, $\zeta =1.10\times 10^{ - 2}$,$K_{\rm s}=3.14\times 10^{ - 2}$,$Re =O(10^{4})$)
