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This tip will use the Tensile Bar tutorial to demonstrate fatigue analysis in Mechanical. It is recommended to become familiar with the tensile bar tutorial before you proceed. Please download the workbench model here.

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The provided workbench file already has the solution for the problem. Restore the downloaded archive and double click on Engineering Data. In Engineering Data, click on Structural Steel and click on Alternating Stress Mean Stress.

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Right click on Solution and insert Fatigue Tool.

Highlight Fatigue Tool and select Goodman for Mean Stress Theory.

There are a number of options from the fatigue tool you can choose to include in the analysis, choose them accordingly. For demonstration, only life, safety factor, and alternating stress will be evaluated. Right click on Fatigue tool and insert Life, Safety Factor, and Equivalent Alternating Stress.

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