12. Natural frequency

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Fundamentals of Engineering Structural Dynamics with Python

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Statics versus Dynamics

  • 1. Introduction and course overview
  • 2. Our approach to Python
  • Support and Lecture Q&A (Please read!)
  • 3. Getting started with Jupyter Notebooks
  • 4. Static versus dynamic analysis
  • 5. Introducing inertia
  • 6. Dynamic response and inertia

Free vibration of single degree of freedom systems

  • 7. Section overview
  • 8. Lumped mass analysis
  • 9. The spring mass damper model
  • 10. The equation of motion
  • 11. Undamped free vibration3
  • 12. Natural frequency
  • 13. Damped free vibration
  • 14. Critically damped and over-damped systems
  • 15. Under-damped systems
  • 16. Damped natural frequency
  • 17. Logarithmic decrement
  • Notebook - Worked Example #1.zip
  • 18. Worked Example #1
  • Notebook - Worked Example #2.zip
  • 19. Worked Example #2
  • Mid-course check-in

Harmonic Excitation

  • 20. Section overview
  • 21. Harmonic forcing
  • 22. Solving the equation of motion
  • 23. Characterising the steady-state response3
  • Notebook - Dynamic Magnification Factor.zip
  • 24. Dynamic magnification factor and resonance
  • Notebook - Worked Example #3.zip
  • 25A. Worked Example #3 - Part A
  • 25B. Worked Example #3 - Part B
  • 25C. Worked Example #3 - Part C

General Dynamic Excitation

  • 26. Section overview
  • 27. General dynamic loading and feedback
  • 28. The Piecewise Exact Method - concept3
  • Notebook - Piecewise Exact Method - development.zip
  • 29. The Piecewise Exact Method - development6
  • Notebook - Piecewise Exact Method - implementation.zip
  • 30. Implementing the Piecewise Exact Method
  • Notebook - Force segmentation.zip
  • 31. Force segmentation
  • Notebook - Time discretisation.zip
  • 32. Time discretisation
  • 33. Course wrap up & Certificate of Completion