free vibration

British  

noun

1. the vibration of a structure that occurs at its natural frequency, as opposed to a forced vibration

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Example Sentences

But the matter is not merely made small in amount; it is distributed on the whole at a great distance from the axis; consequently the period of free vibration is long, and the card is very steady.

From Project Gutenberg

If the gas possesses no inertia then it cannot vibrate, for some inertia is necessary for the free vibration.

From Project Gutenberg

The holder is cupped on one side to receive a ball as shown, and has a countersink on the other to permit a free vibration of the needle.

From Project Gutenberg

There are a few violins by this maker of the same pattern as the Grand Amatis, which are said to surpass the latter, having more wood in them, which was detrimental when they were made, but which age has mellowed, and they now possess a strong and free vibration.

From Project Gutenberg

The great rise in the value of these extraordinary instruments is no doubt due to the fact that they were built very strong in wood, the effect of which would be to depreciate the tone when they were built, but which, now time has ameliorated them and the wood has become capable of free vibration, has refined the quality and increased the tone.

From Project Gutenberg