Question 2

Question 2

Virtual Work question 2

Calculate the vertical displacement of point C (Δ_C ↓). Neglect the strain energy due to shear.

Calculate the vertical displacement of point C (Δ_C ↓). Neglect the strain energy due to shear.

Click below to show answer. X

Step 1:
Calculate internal bending moment due to real external load

Step 1:
Calculate internal bending moment due to real external load

Virtual Work solution step 1

Step 2:
Calculate internal bending moment due to virtual load

Step 2:
Calculate internal bending moment due to virtual load

Virtual Work solution step 2

Step 3:
U_e = U_i to calculate Δ_C (↓)

Step 3:
U_e = U_i to calculate Δ_C (↓)

Virtual Work solution step 3

Useful formula:

Useful formula:

Virtual Work formula

Now that you've mastered this question, you can try Question 3.