Engineers need to evaluate stress results to ensure that their design satisfies all requirements. The results need to be compared with stress limits to decide if the material is close to yielding or failure. This video lesson will cover the Stress Tool in Ansys Mechanical, which is a helpful way of calculating factors of safety easily, even with multiple materials. Different stress measures are available for the calculation of the safety factor. This video will also discuss how to choose the correct stress measures to use based on the different types of materials and deformation modes.

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0:00 - Intro
0:17 - Why is the Stress Tool used?
0:59 - What is Stress?
1:36 - Von-Mises Stress
2:26 - Nonlinear Analysis
3:47 - Defining Input Material Properties
4:45 - Stress Tools used for Ductile Materials
6:15 - Stress Tools used for Brittle Materials
7:38 - Safety Factor
13:59 - How to use Stress Tool to determine Yield/Failure