self-excited vibration

self-excited vibration
vibrations are termed self-excited if the vibratory motion produces cyclic forces which sustain the vibration.

Mechanics glossary. 2013.

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  • resonance — The energetic vibration of a body produced by application of a periodic force of nearly the same frequency as that of the free vibration of the affected body. It is the condition of two bodies adjusted to have the same frequency of vibration.… …   Aviation dictionary

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  • luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

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