January 2008
Intermediate to advanced
420 pages
10h 52m
English
Content preview from Structural Dynamics and Vibration in Practice
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12
Introduction to Self-Excited Systems
Self-excited systems are those in which the motion of the system itself produces sufficient excitation to sustain an oscillation. There are many such phenomena, and in this chapter we introduce a few of the more important practically. Those discussed are the following:
(a) Vibration induced by friction, which can occur when the rubbing surfaces of items such as tires on runways, brakes and clutches have a coefficient of friction which tends to decrease with increasing velocity.
(b) Aircraft flutter, a branch of aeroelasticity, where the aerodynamic driving forces are derived from the airstream by the elastic ...
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