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Ansys Learning Forum Forums Discuss Simulation General Mechanical Solution combination for Random vibration and Static Structural Reply To: Solution combination for Random vibration and Static Structural

dlooman
Ansys Employee

Usually it's just the vibratory stress that is considered in a Fatigue analsyis.  So no need to combine the static stress with the PSD stress.  If you have an S-N curve defined in Engineering Data, the gui will support computing a damage factor based on the duration of the event or a life time.