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September 25, 2009, 18:32 |
analysis of naca2412 airfoil
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#1 |
New Member
gaurav
Join Date: May 2009
Posts: 9
Rep Power: 17 |
Hi,
I am trying to analyse a 2-d model of a naca2412 Airfoil (cord length 1 meter) at an angle of attack of 16 degrees to calculate the coefficient of lift using "WIND-US" . But my solution never seems to converge. I have run about a 1,20,000 iterations yet it keeps oscillating consistently between 0.7 and 2.2. It keeps generating the same pattern. I have the following conditions pressure: 15.4 psi temperature: 540 R velocity: 0.2 Mach angle of attack: 16 degrees Laminar flow. I am using the roe scheme 3 order . Kindly suggest . Thanks. |
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