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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Transonic Drag Under Predicted significantly › Reply To: Transonic Drag Under Predicted significantly

April 12, 2024 at 2:02 pm
TJ Abraham
Subscriber

I agree that Y+ is high, however, it should still show a trend of a transonic spike in drag due to wave drag which again isn't the case. Intutition tells me Y+ would have a larger affect on viscous drag right? Running an invisid solution shows a similar trend of low pressure drag. And so far I have only compared drag coefficient.  I'll double check dimensional drag.  I also tried a Sears-Haack body with an analytical solution and the numbers don't align there either.  Regarding the help tab it looks like the site it takes me to is under maintainance for a few moew days.  Is that example a transonic example? Do you have a separte link to try?