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-   -   Flow over 3d wing (https://www.cfd-online.com/Forums/fluent/167020-flow-over-3d-wing.html)

rambharath February 22, 2016 04:19
Flow over 3d wing
 
Hello,

I'm new to CFD. I'm currently simulating flow over 3D wing (NACA 0018) with no taper. I have used symmetric boundary condition for my flow domain. I'm getting half the value Cl when compared to the experimental results. Does the symmetric boundary condition affect my Cl values or is thr something else that could cause this.

hamed1987 February 22, 2016 05:17
Quote:
Originally Posted by rambharath (Post 586234)
hello,

i'm new to cfd. I'm currently simulating flow over 3d wing (naca 0018) with no taper. I have used symmetric boundary condition for my flow domain. I'm getting half the value cl when compared to the experimental results. Does the symmetric boundary condition affect my cl values or is thr something else that could cause this.
i think it dosent influence on your data

rambharath February 22, 2016 05:43
Thank u hamed. I also tried simulating NACA 0018 airfoil using C mesh. I gave the top and bottom boundary conditions as symmteric.I'm getting the half the values of Cl and Cd.


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