# Mohr's Circle

Mohr's Circle

Once assigned a stress tensor (a symmetric matrix ) and a direction (a unit vector ), Mohr's circle gives you explicit information concerning the traction and the shear stress in the plane normal to the direction .

2×2

{{,},{,}}

σ

11

σ

12

σ

12

σ

22

n

σ

n

τ

n

n