Abstract
Spring-supported fine particle impact damper which integrates the effects of elastic deformation and the plastic deformation performs excellently on the attenuation of vibration in cantilever beam....
Highlights
As one of the passive damping techniques, impact damper controls the response of the primary system by utilizing the impact between the free mass and the primary system during a vibration process
This article carries out the experimental study on the damping performance of spring-supported fine particle impact damper (SSFPID) in a cantilever beam
Due to the effect of momentum exchange, the maximum amplitude of the single impact damper at the free end of cantilever beam decreases to 60% of the maximum amplitude with no damper applied; the maximum amplitude of the impact damper with fine particles is reduced by nearly 60% compared with no damper because of the plastic deformation of fine particles caused by the collision between impactor and damper cavity; the maximum amplitude of the SSFPID is reduced by 80% attributed to the double damping effect of the elastic deformation of outer spring and the plastic deformation of fine particles in inner fine particle impact damper
Summary
As one of the passive damping techniques, impact damper controls the response of the primary system by utilizing the impact between the free mass (the impactor) and the primary system during a vibration process. This article carries out the experimental study on the damping performance of SSFPID in a cantilever beam.
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