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Calculate reduced von mises equation for different stress conditions of principal plane stress by using von mises yield criterion calculator online.

The von Mises yield criterion suggests that the yielding of materials begins when the second deviatoric stress invariant J₂ reaches a critical value. It is part of a plasticity theory that applies best to ductile materials, such as metals. Prior to yield, material response can be assumed to be anything i.e. nonlinear elastic, viscoelastic or simply linear elastic.