Just because the predicted failure time is enormous does not mean that it is incorrect. The fatigue simulation indicates that the 5200 second test produces very little fatigue damage. Since that test represents 5200 seconds of operation, the fatigue result basically predicts infinite life.
There are various methods to define a result set as non-varying. The simplest method is probably to use the “static” option in the time series load mapper. The static option in the time series load mapper represents a constant stress. You need to define 2 result sets in the time series load mapper; one result set contains the acceleration stresses the other one contains the moment load stresses. You link the times series file to the acceleration result set and specify the moment result set to be “static”.
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