Perturbation\Disturbance, Please Guide
In my simulation, I want to add a perturbation to the inlet velocity profile to see its influence on the flow.
I am using a K-E model, I wonder if this perturbation is allowed to be added to the K-E model?
Because K-E model takes the time-average value, I was suggested that the perturbation would be erased off by the model and it is not proper to add a perturbation to a K-E model. Is this true?
Please Guide. Thank you.
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