1962-01-01

Representation of the Mechanical Damping Possessed by Rubber-Like Materials and Structures 620324

Discussed in detail is the manner in which the damping possessed by rubber-like materials and structures experiencing sinusoidal vibration may be represented by the ratio of the imaginary to the real part of a complex elastic modulus. Examples are given of the way in which the damping possessed by low- and high-damping rubbers depends on frequency. Equations that predict the response to vibration of such distributed systems as damped rods and beams, and a simple structure comprised of two damped beams and a lumped element of mass are derived; and representative computations of input impedance and transmissibility are presented.

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