What is modal analysis? Evaluating vibration sensor enclosures and their natural frequencies. Determining the most important modes and frequencies with the mode participation factor. A close look at ...

This article was updated May 24, 2023. It was originally published Oct. 10, 2000. Noise and vibrations in power transmission devices—both those that use linear, reciprocating motion and rotational ...

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Vibration with different frequencies widely distributed in natural environments, living creatures, and artificial machines could be a nearly bottomless, locally obtained, and green energy source. By ...

In the last issue of MACHINE DESIGN, we examined methods to predict how vibration-isolation systems would perform. (“Shaking up vibration models,” Nov. 6, 2008, p. 63 to 68.) This discussion centered ...

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When bridges and buildings begin to vibrate, whether from the wind or traffic or another stressor, they can literally shake themselves to pieces. Watch a 1940 clip of the Tacoma Narrows Bridge ...

All rotating equipment power trains found in a power plant have some amount of vibration, usually caused by mechanical unbalance of the rotating system, shaft misalignment, or weakness in the bearing ...