Fatigue Model

Analyze the Relationship between Stress and Number of Cycles

The Fatigue Model platform enables you to analyze fatigue data, which is also known as S-N (strain or stress versus number of cycles) curve modeling. The platform provides a variety of model types. All of the model types can be fit using one of four conditional distributions. The models either fit the fatigue-strength distribution conditional on the number of fatigue cycles or fit the fatigue-life distribution conditional on the fatigue-stress setting.

For more information about fatigue models, see Meeker et al. (2022).

Figure 6.1 Example of Fitting Multiple Fatigue Models 

Contents

Example of a Fatigue Model

Launch the Fatigue Model Platform

Specify Two Y Columns

The Fatigue Model Report

Summary of Data

Data and Fitted Models

Model Comparisons

Fatigue Model Platform Options

Fitted Fatigue Model Reports and Options