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Not getting accurate CL and CD values in fluent |
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December 26, 2018, 08:41 |
Not getting accurate CL and CD values in fluent
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#1 |
New Member
Abhishek
Join Date: Dec 2018
Posts: 6
Rep Power: 7 |
I am fairly new to Ansys and this is my first project on fluent. I have modeled a half symmetrical wing inside a flow domain. The mesh size is about 2mil with average skewness of 0.23.
My fluent settings are- MODEL- Realizable K-epsilon with non-equilibrium wall function. REFERENCE VALUES(Area)- 1.45(This is half the area of the wing i wanna model) REFERENCE VALUES(length) -0.7(chord of the wing) SOLUTION METHOD - Coupled second order upwind I am calculating the CL and CD at 0 aoa and comparing my fluent results with the results I am getting from XFLR5. The values are varying a lot and are nowhere close. Am I doing something wrong? How can I improve my results? |
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Tags |
cfd, convergence, fluent, k-epsilon turbulence, reference -values |
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