19. The Principle of Virtual Work
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Fundamentals of Virtual Work for Civil Engineers
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Welcome and Introduction
1. Welcome to the course
2. Syllabus walkthrough
3. Maximise course value!
Support and Lecture Q&A (Please read!)
Quick Review of Trusses (optional)
4. Section overview
5. Key features of a truss
2
6. The joint resolution method
Exercise solution
2
7. The method of sections
8. Worked example
Strain Energy
9. Section overview
10. What is strain energy?
2
11. Energy stored in a structure
4
12. Energy storage and trusses
13. Let's try that again
2
14. What are the limitations of strain energy?
Virtual Work
15. Section overview
16. The basic idea
17. Equilibrium force system
18. Compatible displacement system
19. The Principle of Virtual Work
6
Pin-Jointed Structures / Trusses
20. Section overview
21. A strategy for analysing trusses
22. Finding unknown displacements
2
23. Finding unknown forces
Practice Questions
24. Section overview
25. Practice Question 1
26. Practice Question 2
27. Practice Question 3
28. Practice Question 4
29. Practice Question 5
Wrap up
30. Closing comments and Certificate of Completion