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Unformatted text preview: single degree of freedom oscillator are shown in Figure 2 and Figure 3. Estimate the damping ratio ( Î¶ ), natural frequency ( Ï‰ n ), mass ( m ), viscous damping coeï¬ƒcient c , and stiï¬€ness ( k ) of the system from the graphs. 200 400 600 800 1000 1200321 1 2 3 x 105 Transfer Function frequency [Hz] Real H( Î© ) [m/N] 200 400 600 800 1000 120054321 x 105 frequency [Hz] Imag H( Figure 2: Single degree of freedom system transfer function. 2 200 400 600 800 1000 1200 1 2 3 4 5 x 103 Response Amplitude frequency [Hz] X( Î© ) [m/N] 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 0.018 0.020.10.05 0.05 0.1 time [s] X h (t) Figure 3: Single degree of freedom steadystate response amplitude and transient response. 3...
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This note was uploaded on 08/22/2011 for the course EML 4220 taught by Professor Chen during the Spring '08 term at University of Florida.
 Spring '08
 CHEN
 Damper

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