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Learn · Introduction to Mechanical Vibration

Lecture 9 of 40Week 2

Viscous damped systems and logarithmic decrement

Prof. Anil Kumar · IIT Roorkee

Credits and licence

From
Introduction to Mechanical Vibration, IIT Roorkee (at NPTEL)
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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All the lectures

  1. Introduction YouTube
  2. Addition of two harmonic motions and beat phenomenon YouTube
  3. Fourier series and harmonic analysis YouTube
  4. Vibration analysis procedure YouTube
  5. Numerical problems YouTube
  6. Undamped free vibration YouTube
  7. Energy method YouTube
  8. Damped free vibration YouTube
  9. Viscous damped systems and logarithmic decrement YouTube
  10. Coulomb damping YouTube
  11. Harmonic excitations YouTube
  12. Magnification factor and frequency response curve YouTube
  13. Rotating unbalance YouTube
  14. Excitation of the support YouTube
  15. Energy input and dissipation by viscous damping YouTube
  16. Coulomb damping and equivalent viscous damping YouTube
  17. Structural damping and equivalent viscous damping YouTube
  18. Vibration isolation and force transmissibility YouTube
  19. Motion transmissibility YouTube
  20. Numerical problems YouTube
  21. Transducers and vibration pickup YouTube
  22. Vibrometer YouTube
  23. Accelerometer YouTube
  24. Velocity pickup or Velometer YouTube
  25. Phase distortion and frequency measurement YouTube
  26. Undamped free vibration YouTube
  27. Principal modes of vibration YouTube
  28. Combined rectilinear and angular modes YouTube
  29. Damped free vibration YouTube
  30. Undamped forced vibration with harmonic excitation YouTube
  31. Undamped dynamic vibration absorber YouTube
  32. Tuned absorber YouTube
  33. Numerical problems YouTube
  34. Critical speed of shafts (Single rotor system) YouTube
  35. Critical speed of shafts (Multi- rotor system) YouTube
  36. Undamped free vibration YouTube
  37. Eigen values and eigen vectors YouTube
  38. Flexibility influence coefficients YouTube
  39. Stiffness influence coefficients YouTube
  40. Static and dynamic coupling YouTube