Abstract
This investigation treats the damped free vibrations of a bent sandwich beam having a viscoelastic core and elastic layers that are elastically constrained at both ends. In the analysis, the elastic constraints are represented by translational and rotational springs, and the transverse and longitudinal vibrations of the sandwich beam are coupled. The vibrational equation is derived and effects of the angle and position of the bent point on the damped natural frequencies and loss factor of the straight sandwich beam for the first mode are examined. The damped natural frequencies and loss factor obtained from the analysis are in good agreement with those obtained by the experiment.
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