Abstract
A summary is presented of available information on the damping associated with shear and normal relative motions at simple structural joints; the important mechanisms and parameters are indicated, and the applicability to realistic structures of results for idealized configurations is discussed. Data on the damping of panels due to variously attached beams are reviewed; the importance of the “fluid-pumping” mechanism is pointed out, and the edge-absorption coefficient approach for predicting panel damping is discussed. The contributions of energy transport and energy dissipation to establishing the responses of multipanel structures are described on the basis of statistical energy analysis. Difficulties associated with measuring the damping of panels in situ are discussed, as well as the results of some attempts at overcoming them. Areas requiring further study are delineated.
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