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Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration (its resonance frequency or resonant frequency) closer than it does other frequencies. It may cause violent swaying motions and potentially catastrophic failure in ...
Bolt snapped due to mechanical resonance caused by marching soldiers 0 dead, 20 injured Collapsed at one end, bridge quickly rebuilt and strengthened The rebuilt Broughton Suspension Bridge in 1883. This disaster caused the "break step" rule issued to UK soldiers. Yarmouth suspension bridge: Great Yarmouth: United Kingdom 2 May 1845: Suspension ...
Acoustic resonance is an important consideration for instrument builders, as most acoustic instruments use resonators, such as the strings and body of a violin, the length of tube in a flute, and the shape of, and tension on, a drum membrane. Like mechanical resonance, acoustic resonance can result in catastrophic failure of the object at ...
Billah and Scanlan (1991) [5] reported that, in fact, many physics textbooks (for example Resnick et al. [30] and Tipler et al. [31]) wrongly explain that the cause of the failure of the Tacoma Narrows bridge was externally forced mechanical resonance. Resonance is the tendency of a system to oscillate at larger amplitudes at certain ...
In radial flux rotating electric machines, resonance due to electromagnetic forces is particular as it occurs at two conditions: there must be a match between the exciting Maxwell force and the stator or rotor natural frequency, and between the stator or rotor modal shape and the exciting Maxwell harmonic wavenumber (periodicity of the force ...
Electrolysis is a permanent hair removal technique that uses electrical current to destroy hair follicles one at a time. Dr. Murphy-Rose explains, “A fine, needle-like probe is inserted into the ...
Homeowners Say Airbnb Guests Caused More Than $26,000 Worth of Damage After Allegedly Turning Their Home into a Meth Lab. Raven Brunner. January 19, 2025 at 6:37 PM. Getty.
Vibration fatigue is a mechanical engineering term describing material fatigue, caused by forced vibration of random nature. An excited structure responds according to its natural-dynamics modes, which results in a dynamic stress load in the material points. [ 1 ]