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- W2377519996 abstract "A small axial excitation on the umbilical of Remote Operated Vehicles(ROV) will produce a large transverse vibration,it is called parametric resonance.The parametric excitation on the ROV umbilical will affect the security of the ROV.Aiming at the structural characteristics of ROV umbilical,the nonlinear vibration equation caused by axial forces is deduced.The parametric instability is analyzed with the method of Hill’s infinite determinant.Base on the stability diagram without or with damping,the dynamic responses in variety of typical working conditions are studied,the effect of system damping on the stability is discussed then.The results show that the increase of damping can reduce the unstable range where parametrically excited oscillations takes place,especially the low-order unstable regions are more greatly influenced.But when the system parameters have been in an unstable region,the system damping would not reduce the vibration amplitude." @default.
- W2377519996 created "2016-06-24" @default.
- W2377519996 creator A5045510616 @default.
- W2377519996 date "2011-01-01" @default.
- W2377519996 modified "2023-09-23" @default.
- W2377519996 title "Study on Parametric Resonances of ROV Umbilical under Ship Heave Excitation" @default.
- W2377519996 hasPublicationYear "2011" @default.
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