This repository provides the CPOpt method, an efficient algorithm for calculating critical plane factors in fatigue analysis. CPOpt reduces computation time by using tensor invariants and coordinate transformations, making it ideal for complex geometries and time-sensitive applications. The repository includes code, validation data, and examples.

This repository provides the code for the Effective Critical Plane (ECP) method, which improves fatigue strength assessment by averaging stress-strain fields over a material-dependent volume. It enhances traditional Critical Plane analysis, offering better accuracy for components with stress concentrations.

This repository provides the FS-Sol method, a closed-form solution for quickly calculating Fatemi-Socie critical plane factors in fatigue analysis. It efficiently handles isotropic linear-elastic materials under proportional loading, offering a faster alternative to traditional methods. The repository includes code, validation data, and examples.

This repository provides the FI-Sol method, an efficient algorithm for calculating the Findley critical plane factor in fatigue analysis. By using tensor invariants and coordinate transformations, FI-Sol significantly reduces computation time while delivering accurate results for linear-elastic materials under proportional loading.