Changing the Angle of Attack in Star-ccm+

AlexSmall90 · March 26, 2015, 07:46

Hi,

I have recently started using Star-ccm+ for a university assignment and I have reached a point where I need to adjust the angle of attack to perform the next set of simulations.

I am performing CFD on a wing and have so far only tested three airflow velocities at 0 degrees but now I need to test the same three velocities at -15 degrees and +15 degrees angle of attack.

I have seen online that you can adjust the angle of the inlet but I need to adjust the angle of attack of the wing for the purpose of this assignment.

Any help would be much appreciated.

Thanks,

Alex

fluid23 · March 26, 2015, 10:34

Why do you have to adjust the wing? That is more work than changing a boundary condition. If you must rotate the geometry rather than cange a couple of inputs then you can just right click on the part and select transform > rotate. You will have to remesh though.

Simply updating the components of your freestream velocity is a much cleaner way of doing this.

Are you trying to compare to experimental data at 15 degrees? Might be tough with little to no experience.

March 26, 2015, 07:46	Changing the Angle of Attack in Star-ccm+	#1
AlexSmall90 New Member Alexander Small Join Date: Mar 2015 Posts: 1 Rep Power: 0	Hi, I have recently started using Star-ccm+ for a university assignment and I have reached a point where I need to adjust the angle of attack to perform the next set of simulations. I am performing CFD on a wing and have so far only tested three airflow velocities at 0 degrees but now I need to test the same three velocities at -15 degrees and +15 degrees angle of attack. I have seen online that you can adjust the angle of the inlet but I need to adjust the angle of attack of the wing for the purpose of this assignment. Any help would be much appreciated. Thanks, Alex

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March 26, 2015, 10:34		#2
fluid23 Senior Member Matt Join Date: Aug 2014 Posts: 947 Rep Power: 18	Why do you have to adjust the wing? That is more work than changing a boundary condition. If you must rotate the geometry rather than cange a couple of inputs then you can just right click on the part and select transform > rotate. You will have to remesh though. Simply updating the components of your freestream velocity is a much cleaner way of doing this. Are you trying to compare to experimental data at 15 degrees? Might be tough with little to no experience.