Learn · Introduction to Mechanical Vibration
Lecture 39 of 40Week 8
Stiffness influence coefficients
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.
- Who can watch
- Tweens profiles and older. How courses are placed
All the lectures
- Introduction
- Addition of two harmonic motions and beat phenomenon
- Fourier series and harmonic analysis
- Vibration analysis procedure
- Numerical problems
- Undamped free vibration
- Energy method
- Damped free vibration
- Viscous damped systems and logarithmic decrement
- Coulomb damping
- Harmonic excitations
- Magnification factor and frequency response curve
- Rotating unbalance
- Excitation of the support
- Energy input and dissipation by viscous damping
- Coulomb damping and equivalent viscous damping
- Structural damping and equivalent viscous damping
- Vibration isolation and force transmissibility
- Motion transmissibility
- Numerical problems
- Transducers and vibration pickup
- Vibrometer
- Accelerometer
- Velocity pickup or Velometer
- Phase distortion and frequency measurement
- Undamped free vibration
- Principal modes of vibration
- Combined rectilinear and angular modes
- Damped free vibration
- Undamped forced vibration with harmonic excitation
- Undamped dynamic vibration absorber
- Tuned absorber
- Numerical problems
- Critical speed of shafts (Single rotor system)
- Critical speed of shafts (Multi- rotor system)
- Undamped free vibration
- Eigen values and eigen vectors
- Flexibility influence coefficients
- Stiffness influence coefficients
- Static and dynamic coupling