Effect of End Constraints on the Damping of Laminated Beams

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Abstract
The use of laminated elastic‐viscoelastic beams as a means for obtaining vibration damping, together with reasonable structural stiffness, has been the object of extensive theoretical and experimental investigations. The particular theoretical and experimental work considered herein is the effect of end constraints on the composite loss factor of vibrating laminated beams. According to theoretical findings rise where, the damping of laminated beams is independent of boundary conditions and depends solely on the geometry of the beam's cross section and properties of the damping material. Results of tests conducted on 3‐, 5‐, and 9‐layered beams having various end conditions showed good correlation with the theory.

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