damping ratio


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damping ratio

[′dam·piŋ ‚rā·shō]
(physics)
The ratio of the actual resistance in damped harmonic motion to that necessary to produce critical damping. Also known as relative damping ratio.
References in periodicals archive ?
The value of the equivalent viscous damping ratio varied from cycle to cycle.
Other parameters like frequency band width, damping ratio and central tuning frequency are maintained as those required to minimize the performance criteria [J.
Increasing the percentage of nanoclay from 1 to 5% increases the natural frequency and damping ratio of the beams, however, when the percentage of nanoclay reaches to 7% both the natural frequency and damping coefficients began to decline.
max] and damping ratio versus shear strain amplitude [gamma] and their parameters in the empirical formula of G/[G.
We conclude that the practical considerations involved in the inspection of floor systems could be determined through frequency and damping ratio data.
where m is equivalent mass related to proportional magnet; c is damping ratio related to proportional magnet; [K.
Consequently a fluid structural harmonic analysis with known viscosity of fluid medium for finding of damping ratio of two first eigenfrequencies was done.
The damping ratio of the voice coil devices is relatively small, thus creating problems for the control systems of the moving coil.
Concerning automated process management it has to be pointed out that an overcritical damping ratio is the most important demand (Mare & Laffite 1995).