Abstract
In order to find out the influence of damping layer on water-lubricated rubber bearing, element finite modal analysis in Workbench is used and three bearings with different damping layers are studied as well as an ordinary bearing without damping layer. The results show that the damping bearings have lower modal frequencies than the ordinary bearing, and the damping layer length and thickness can influence the deformation distribution of modal shape.
Highlights
Structural vibration can bring noise, reduce the life of components and even lead to failure of components in the field of ship, aviation, machinery and so on, always being the research hot spot
Modal analysis is mainly used to identify the vibrating characteristic of the framework.It has important significance on the dynamic response of the system, the generation and transmission of the dynamic load and the form of the system vibration, it is the base for all other type of dynamics analysis
(2) The ordinary bearing has a larger arrangement of natural frequencies than the damping bearings
Summary
Structural vibration can bring noise, reduce the life of components and even lead to failure of components in the field of ship, aviation, machinery and so on, always being the research hot spot. By applying it into the design of bellows, high-damping unreinforced U-shaped vibration reducing bellows was developed[2]; In the application of flat plate structure, damping layer was studied by scholars with variables to optimize beams with damping sandwich[3]. In these fields, the damping layer has made a contribution to the vibration reduction and noise reduction. B2 and B3 are changed base on that of B3, to study the influence of different damping layers on the bearings.Material parameters of bearings are listed in table 1.
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