Mohr's Circle

Interactive Stress Transformation

σx (MPa)
σy (MPa)
τxy (MPa)
Positive and negative values are both allowed.
Physical element rotation θ (deg)
Center
Radius
Principal stresses
Maximum shear

Stress element and rotated element

normal stress shear stress rotated x′-y′ system

Mohr's circle and stress coordinates

Zhao Qin at SU and ChatGPT 2026