Stress Life

Stress-Life (SN)
The primary application of the Stress-Life method is high-cycle fatigue (long lives) where nominal stress controls the fatigue life. A wide range of methods is provided for defining the SN curves, including the ability to interpolate multiple material data curves for factors such as mean stress or temperature. Further options are also provided to account for stress gradients and surface finishes. For ultimate flexibility, Python scripting enables the definition of custom fatigue methods and material models.

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