ENME361 Quiz 7 Solution

ENME361 Quiz 7 Solution - ENME 361 Fall 2008 Solution for...

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ENME 361 Fall 2008 Solution for Quiz #7 (October 30, 2008; Duration: 10 minutes) 1) Determine the forced response of the following vibratory system: 2 112 2 2 sin( ) sin( ) dx d x mc k x Ft F t dt dt ω ++ = + The following formulae can be used in developing your response. () 2 2 2 1 2 1 12 2 () t a n 1 H ζ θ Ω= Ω+ −Ω Solution : We use the principle of superposition to find the solution to this system. The response to the forcing 11 sin( ) is given by () ( ) 1 1 1 s in ( ) F xt H t k ωθ
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