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Viscoelastic Support Junction Damping Of Beams

Report Number: WADD TR 60-779
Author(s): T. J. Mentel, R. L. Schultz, C. C. Fu
Corporate Author: University of Minnesota
Laboratory: Materials Central
Date of Publication: 1961-03
Pages: 49
Contract: AF 33(616)-6828
Project: 7351 - Metallic Materials
Task: 73521
AD Number: AD0271957

An experimental study, together with evaluation of relevant theory, is conducted of the damping action at the support interfaces of beams which incorporate visco-elastic bonding material. The objective of the study is the identification of support junction damping techniques which might be of practical use in vibration attenuation. It is found that the highest energy dissipations are associated with flexure and rotation of the beam ends embedded within the support structure.

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