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3. 升降流速过程柱体涡激振动位移随流速变化
Fig.3. Variations of cylinder displacement with velocity both showing increasing and decreasing velocities ($D =0.08$m,$m^*=1.85$,$f_{\rm n} =0.57$Hz, $\zeta = 1.10\times 10^{ - 2}$, $K_{\rm s}=3.14\times 10^{ - 2}$,$0 \leqslant Re<4\times 10^{4}$)
