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Designing Winglets in StarCCM+

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Old   April 1, 2015, 13:56
Default Designing Winglets in StarCCM+
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Kiran
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Hi,

I have been trying to design an NACA 23012 wing with a winglet. I have had no problem running the simulation. But, when I try to create a streamline scene, I can not see anything happening at the winglet at all. It is as if the winglet doesn't even exist. The only thing I see is that there is a decrease in the speed of the streamline flow at the winglet. I am not sure as to what I have done wrong because I was expecting some sort of turbulence in the streamlines. Any help would be great. Thanks!
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Old   April 8, 2015, 12:59
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Matt
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Try creating a vortex core (derived part) to capture the tip vortex then create a streamline (derived part) with a line seed (not point seed) that is within the vortex core.

I seem to recall that it is hard to actually capture the wing tip stuff if you don't place the streamlines in the exact right place.
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Old   April 13, 2015, 16:17
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Kiran
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Quote:
Originally Posted by MBdonCFD View Post
Try creating a vortex core (derived part) to capture the tip vortex then create a streamline (derived part) with a line seed (not point seed) that is within the vortex core.

I seem to recall that it is hard to actually capture the wing tip stuff if you don't place the streamlines in the exact right place.


Thanks Matt. It was helpful. I can't quite see the vortices as clearly as I am supposed to yet but I can see something nevertheless. Thanks again.

Kiran
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