WOLFRAM|DEMONSTRATIONS PROJECT

Mohr's Circle

​
σ
11
σ
22
σ
12
Once assigned a stress tensor (a
2×2
symmetric matrix
{{
σ
11
,
σ
12
},{
σ
12
,
σ
22
}}
) and a direction (a unit vector
n
), Mohr's circle gives you explicit information concerning the traction
σ
n
and the shear stress
τ
n
in the plane normal to the direction
n
.