Ch6-3(Review Questions)

Ch6-3(Review Questions) - 2009-05-10 Review Questions 6 1....

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Unformatted text preview: 2009-05-10 Review Questions 6 1. How many natural frequencies does a continuous system have? 2. How does a continuous system differ from a discrete system in the nature of its equation of motion? 3. Are the boundary conditions important in a discrete system? Why? 4. What is a wave equation? What is the solution of wave eq'n? 5. What is the physical meaning of wave velocity? 6. What 6 Wh t are the forces acting on the string (transverse th f ti th t i (t wave), rod (longitudinal wave), and bar (torsional wave)? 2 Review Questions 6 7. What is the main difference in the nature of the frequency equation of a discrete system and a continuous system? 8. 8 State the possible boundary conditions at the end of a string. 9. State the possible B.C.'s at the end of a rod subject to the longitudinal wave. 10. State the possible B.C.'s at the end of a bar subject to the torsional wave. 11. What i th b i 11 Wh t is the basic assumptions of the Euler-Bernoulli ti f th E l B lli beam in bending vibration? 3 1 ...
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