The CAD-based design model is critically important for multidisciplinary analysis and design optimization. For dynamic stress computation, a number of quasi-static FEA of the component is performed first. The stress influence coefficients obtained from these quasi-static FEA are then superposed with the dynamic analysis results, including external forces, accelerations, and angular velocities to compute dynamic stress history.
Fatigue analysis is performed using the low cycle fatigue approach.
An efficient reliability analysis and reliability-based design optimization methods are developed for durability of vehicle components to treat uncertainties in material properties and manufacturing tolerances.