Distortion Energy (von Mises) Failure Criterion

The Tensile Yield Stress is the required Material Limits for the Distortion Energy (von Mises) failure criterion. When you select Distortion Energy (von Mises) as the Failure Criteria, you must specify the value of the Tensile Yield Stress.

Enter a positive value for yield stress.

If you do not specify a value, Creo Simulate does not compute failure indexes for this material.

The von Mises failure index is calculated as follows:

failure_index = von Mises Stress/Tensile Yield Stress

Each field that has a dimension can have its own units. Creo Simulate scales the values you enter when the units change. Generally the distortion energy (von Mises) failure criterion is used in the definition of ductile materials.

Return to Failure Criterion.