- #1

sandon

- 18

- 1

The Tresca Critrion is given in the form of non continuous equations:

Max(½|σ

_{1}-σ

_{2}|,½|σ

_{2}-σ

_{3}|,½|σ

_{3}-σ

_{1}|) = k

How did they come up with the invarient equation

f(J

_{2},θ) = 2√J

_{2}* sin(θ+⅓π)-2k, θ from (0 to 60)