critical damping


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critical damping

[′krid·ə·kəl ′dam·piŋ]
(physics)
Damping in a linear system on the threshold between oscillatory and exponential behavior.
References in periodicals archive ?
The galvanometer which was considered most suitable for precise comparisons of standard cells, and which has been kept in mind during the design of the comparator, has the following constants: Complete period, 9 seconds; external resistance for critical damping, 1,200 ohms; sensitivity with 1,200 ohms in series, 4 mm/[micro]v with a scale distance of 1 m.
In Equations [2] to [4], D is the damping ratio defined as the ratio of damping in the system to that critical damping where no vibratory motion occurs.
Concrete core walls, columns and ring beams provide strength, stiffness and an inherent critical damping ratio of 2%.

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