me445_hw4_soln

# me445_hw4_soln - units on stiffness above are kg/sec 2 in...

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1 ME 445 Mechanical Vibrations // Fall 2009 Homework #4 Solutions 1. Note that if the suspension stiffness were defined around the full case, when empty the plane would bounce with a larger amplitude then when full. Note Mathcad does not have a symbol for a Newton so the

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Unformatted text preview: units on stiffness above are kg/sec 2 in order to allow Mathcad to compute the units. 2. The equation of motion of the fan is ) sin( 2 θ ω + = + + t e m kx x c x m &amp;amp; &amp;amp; &amp;amp; The steady state solution is given by 2 3. 4....
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me445_hw4_soln - units on stiffness above are kg/sec 2 in...

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