Stress intensity is defined as the largest of the absolute values of σ1 - σ2, σ2 - σ3, or σ3 - σ1:
Stress intensity is related to the maximum shear stress:
σI = 2τmax
Elastic Strain intensity is defined as the largest of the absolute values of ε1 - ε2, ε2 - ε3, or ε3 - ε1:
Elastic Strain intensity is equal to the maximum shear elastic strain:
εI = γmax
Equivalent Stress (and Equivalent Elastic Strain) and Stress Intensity are available as individual results.
Note: Computation of Equivalent Elastic Strain uses Poisson’s ratio. If Poisson’s ratio is temperature dependent then the Poisson’s ratio value at the reference temperature of the body is used to compute the Equivalent Elastic Strain.