Ch3-4(Review Questions) - Review Questions Chap 3 1 What is...

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2009-03-23 1 2 Review Questions: Chap. 3 1. What is the basis for expressing the response of a system under periodic excitation as a summation of several harmonic responses? 2. What is the nonperiodic force? Give an example. 3. What is the nonstationary force? Give examples. 4. Can the transient force be regarded as a kind of nonstationary force? Give examples of transient force. 5. Indicate some methods for finding the response of a system under nonperiodic forces. 6. What is the definition of impulse response function? 7. What is the Duhamel integral? What is its use? 3 Review Questions: Chap. 3 8. How are the initial conditions determined for a single degree of freedom system subject to an impulse at t=0? 9. How do you utilize the orthogonality condition in the vibration analysis related to the Fourier series?
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