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December 12, 2017, 16:54 |
Mesh to validat result of airfoil S1223
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#1 |
New Member
José Mantovani
Join Date: Oct 2017
Location: Sao Paulo, Brazil, Earth.
Posts: 2
Rep Power: 0 |
Hello everyone!
The days I'm trying to get the experimental result for my numerical solution. Basically I'm doing an external flow simulation around an S1223 airfoil. I have tried several different meshes, all in vain, differently for NACA airfoils (which are relatively symmetrical) with a basic mesh converge the value of my solution with the experimental value. I would like some help or if anyone can give me some tips on how to improve my results. The experimental value of Cl for airfoil S1223 is, Cl = 2.23. But with my mesh the best I got was Cl = 1.09 (which sucks and does not suit me), yet the contours show expected physical results (low pressure on top and bottom on bottom, anyway ...), but the numerical result goes a long way. I believe the main problem is the mesh (and it is ...). Just to know, I'm using ANSYS software and its FLUENT solver. I'm doing everything by the Workbench, because that's where I know ... Sirs help me, I'm going crazy! LOL P.S.: I am using student package, a very refined mesh does not serve me, remembering the restriction of the package and my computer, so it can not be a prohibitive mesh. Thanks for attention and helping guys! |
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Tags |
ansys, fluent, mesh |
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