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Single Degree of Freedom – Free Vibration

Single Degree of Freedom – Free Vibration. fixed / ground. FBD of single mass. Solution A: Critically damped. Case A – Critically damped. Case B - Overdamped. Case B - Overdamped. Underdamped. Case C - Underdamped. Example D - less damping. SDOF – Forced Vibration. What force

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Single Degree of Freedom – Free Vibration

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  1. Single Degree of Freedom – Free Vibration fixed / ground

  2. FBD of single mass

  3. Solution A: Critically damped

  4. Case A – Critically damped

  5. Case B - Overdamped

  6. Case B - Overdamped

  7. Underdamped

  8. Case C - Underdamped

  9. Example D - less damping

  10. SDOF – Forced Vibration What force does the mass “feel?” road

  11. Summing the forces in the x direction:

  12. From D. Eqns we obtain steady state solution

  13. What force does “Mass” feel?

  14. Example ¼ car model http://www.me.metu.edu.tr/courses/ME432/soft07.html

  15. Effect of damping on forced vibration

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