forced harmonic vibration Flashcards
(5 cards)
1
Q
what is the frequency ratio?
A
measure of how close the excitation frequency is to the natural frequency.
2
Q
what is the phase of the steady-state response at resonance?
A
pi/2
3
Q
what effect does an increasing damping ratio have on the steady-state amplitude?
A
it reaches the steady state slower
4
Q
what does r=1 imply?
A
resonance
5
Q
A
