Shaker (testing device)
Encyclopedia
A shaker is a device used in vibration testing to excite the structure either for endurance testing or modal testing
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see also :
Modal testing
Modal testing is a form of vibration testing of an object whereby the natural frequencies, modal masses, modal damping ratios and mode shapes of the object under test are determined.A modal test consists of an acquisition phase and an analysis phase...
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- VibrationVibrationVibration refers to mechanical oscillations about an equilibrium point. The oscillations may be periodic such as the motion of a pendulum or random such as the movement of a tire on a gravel road.Vibration is occasionally "desirable"...