Abstract
A vibration absorber was studied to control the dynamic behavior of a rectangular aluminum plate. The absorber consists of an additive mass and a vibration damping composite steel beam. By evaluating the loss factor and the bending rigidity of the vibration damping composite steel using the Ross-Kerwin-Ungar (RKU) model, the length and thickness of the beam and the additive mass were determined in order to tune the resonance frequency of the absorber to any resonance frequency of the rectangular plate. The dynamic behavior of the rectangular plate with the absorber was measured and compared with the calculation. The close agreement achieved suggests that the present method is sufficiently reliable to design the vibration absorber using the damping composite steel beam.
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