Question

Which of the following theorems states, "In a linearly elastic structure, the partial derivative of the strain energy with respect to a load is equal to the deflection of the point where the load is acting, the deflection being measured in the direction of the load"?

• A. Moment-area theorem
• B. Macaulay's theorem
• C. Castigliano's theorem
• D. Muller-Breslau theorem

Answer 1

Answer: (C)