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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Bracket Fatigue Analysis in nCode › Reply To: Bracket Fatigue Analysis in nCode

October 16, 2023 at 7:23 pm
Daniel Shaw
Ansys Employee

Maybe, but that is not its intended use.  You might be able to specify zero (or very small) cross-terms to reproduce sequential loading, but why would you try? Multi-PSD loading is intended to be used when multiple PSD loadings act simultaneously.  If the X, Y, and Z PSD loadings do not affect each other (no cross terms), I recommend using a 3 event duty cycle;  one event for each directional loading.  The multi-PSD loading approach is very rarely used.