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SUMMARY:Some Counterintuitive Problems in Vibration - Dr Hugh Hunt
DTSTART:20080207T130500Z
DTEND:20080207T135500Z
UID:TALK10613@talks.cam.ac.uk
CONTACT:6899
DESCRIPTION:Mechanical vibration is taught to undergraduates as if it were
  a simple science. The mass-on-a-spring\, uni-axial vibration of a rod\, v
 iscous damping\, modal analysis - all these are the bread and butter of vi
 bration science. But real vibrating systems just don't behave like this. T
 here\nare pitfalls in even the simplest cases and some of these will be de
 monstrated: a tuning fork\; a bottle of coke\; a bending beam\; a turbocha
 rger wheel. All of these systems behave counter-intuitively. The "simple" 
 examples above have simple explanations\, and wouldn't it be great if all 
 engineering problems were simple?\n\nThe talk will also touch on the metho
 ds presently used to control vibration from underground railways. Some ver
 y counter-intuitive theoretical predictions will be presented and these we
 re widely dismissed as rubbish -\nuntil recently when some measurements we
 re made ... 
LOCATION:Lecture Room 4\, Cambridge Engineering Department
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