Collegiate Design Series Suspension 101 - SAE
Collegiate Design Series Suspension 101 - SAE
Collegiate Design Series Suspension 101 - SAE
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Displacement<br />
1<br />
Sinusoidal Input<br />
2 4<br />
Time<br />
Sine Wave Displacement Input<br />
Sinusoid, most Common Input form for Shock Testing<br />
Displacement = X sin (�t)<br />
Velocity = V = X � cos (� t)<br />
Where w = 2 * � * Freq.<br />
Peak Velocity = X * �<br />
3<br />
1<br />
Velocity<br />
1<br />
2<br />
3<br />
Time<br />
Corresponding Velocity Input<br />
Typically test at a given stroke and vary<br />
frequency.<br />
<strong>Suspension</strong> normally respondes at forcing<br />
freq. and natural frequencies.<br />
So should we test at bounce and wheel hop<br />
freq.?<br />
4<br />
1
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