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Mathematic model of floating bridge elastic base infinite beam is established. The vehicle is simplified as moving mass and moving vibration mass respectively, and dynamic responses of floating bridge under the action of vehicle are studied. The three-dimensional vehicle-floating bridge model is established in the ADAMS/View. By using of its powerful solver, the dynamic responses of continuous hinged...
The dynamic model of magnetic dynamic absorber-rotor system is established. The equations for the equivalent stiffness and damping of the magnetic dynamic absorber are derived on the basis of the system dynamic model and operation principle of tunable dynamic absorber. Because the equivalent stiffness can be adjusted according to excitation frequency, so the rotor vibration can be controlled with...
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