Question 1

Question 1

3D Mohr’s Circle and Abs. Max Shear Stress question 1

Calculate the principal stresses σ₁, σ₂, σ₃ and τ_abs-max for the stress element above.

Calculate the principal stresses σ₁, σ₂, σ₃ and τ_abs-max for the stress element above.

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Step 1:
Construct 3D Mohr's circle

Step 1:
Construct 3D Mohr's circle

3D Mohr’s Circle and Abs. Max Shear Stress solution step 1

Step 2:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

Step 2:
Calculate σ₁, σ₂, σ₃ and τ_abs-max

3D Mohr’s Circle and Abs. Max Shear Stress solution step 2

Useful formula:

Useful formula:

3D Mohr’s Circle and Abs. Max Shear Stress formula

Now that you've mastered this question, you can try Question 2.