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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Fatigue Life Combining Static and Random Vibration Loads › Reply To: Fatigue Life Combining Static and Random Vibration Loads

September 30, 2024 at 12:47 pm
Daniel Shaw
Ansys Employee

No.  You cannot combine time-based stresse (static or transient) and frequency-based stresses (PSD or harmonic) in the Mechanical Fatigue Tool.  You can combine them using Ansys nCode DesignLife.  The time-based stress is static offset that provides a mean stress. Â