MENG612       Varational and Energy Methods (3 Credits)
 

 

Probable Coverage: (as time permits)

1.    Introduction (Ch. 2 and appendix I of Reference 5)

  • A few historical notes

  • Extrema of functions and constrained functions

  • Functionals defined

  • Extrema of functionals and constrained functionals

2.    Mathematical Preliminary (Ch. 2):

  • Vector

  • Tensors

3.    Review of Equation of Solid Mechanics (Ch.3):

  • Stress

  • Strain

  • Constitutive Laws

4.    Work, Energy and Variational Calculus (Ch.4):

  • Concept of Work and Energy

  • Strain Energy and Complementary Strain Energy

  • Virtual Work

  • Calculus of Variations

5.    Energy Principles of Structural Mechanics (Ch.5):

  • Principles of Virtual Work

  • Principles of Complementary Virtual Work

  • Principles of Stationary and Minimum Potential Energy

  • Principle of Stationary Complementary Energy

  • Castigliano's Theorems 

6.    Dynamical Systems: Hamilton's Principles (Ch.6):

  • Extension of Virtual Work to Dynamic Systems

  • Generalized Hamilton's Principle

  • Applications

7.    Finite Element Method (Ch.7):

  • Spring Element

  • Bar Element

  • Beam Element

 

 

Grading:

Midterm Opportunity to Shine 20%
Term Project 50%
Final Opportunity to Shine 30%

 

How to Succeed

 

  • Accept that it is your responsibility to learn the material (in spite of the book or teacher)
  • Show up and become engaged with the topics
  • Do the homework daily so you can ask questions in class
  • Use you resources for help (classmates, upperclassmen, faculty, the library)