Open Educational Resources

Stress: Mohr’s Circle

Mohr’s Circle for Plane Stress

Visit Wikipedia’s entry on Mohr Circle to learn about the history, the construction and the applications of Mohr’s circle!

In the following example, you can change the values of the stress matrix entries from -10 to 10 units to reconstruct Mohr’s circle. The black arrow indicates the point on the circle corresponding to a plane oriented at an angle (theta) with respect to the dotted line which corresponds to the plane perpendicular to the horizontal direction. The angle on the circle between the dotted and solid arrows is (2theta).

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