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Simulation of an AC75 on star ccm+

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Old   January 7, 2022, 15:44
Default Simulation of an AC75 on star ccm+
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Francesco
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Hello everyone, my name is Francesco and I am a new member of this forum. I am a graduate in Aerodynamics and for my thesis I am analyzing an AC75 from the latest america's cup. I did the modeling on CATIA and the geometry correction on ANSA.
I have correctly imported the geometry on STAR CCM +, I will reveal the details of the simulation cases to you later. The first question is the following: from the geometry there are some free edges in correspondence of the headsail which necessarily, before setting the mesh, I will have to eliminate but I am having difficulty; how can i do it? I am attaching a photo of the model and thank you in advance for your help
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Old   January 7, 2022, 17:42
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Just out of curiosity, have you tried automatic surface repair?
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Old   January 7, 2022, 17:51
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Quote:
Originally Posted by fluid23 View Post
Just out of curiosity, have you tried automatic surface repair?
Yes, I tried, but it didn't help. There are always the blue and green elements to fix. With the repair tool I fixed the poor quality surfaces but otherwise nothing to do. What do you suggest?
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Old   January 10, 2022, 12:49
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It looks like the headsail is a shell (not solid) body. Is that correct?
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Old   January 10, 2022, 13:38
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Hi everyone, fortunately I solved the problem using the "create a buffle" command directly on the headsail; in doing so I closed the surface and eliminated the free edges. Now I have to set up the regions and their physical models in salt water and air and then do the mesh. If I need help I'll write here, thanks
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