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Forum: FLUENT

December 28, 2013, 05:54

Replies: 2

airfoil with negative drag

Views: 1,687

Posted By hrt12

I have calculated the rear wing with different...

I have calculated the rear wing with different turbulence models, structured (fine and coarse) and unstructured mesh, 2D and 3D models. The y+ value is between 30 and 300. The pressure portion of...

Forum: FLUENT

December 23, 2013, 12:09

Replies: 2

airfoil with negative drag

Views: 1,687

Posted By hrt12

airfoil with negative drag

Hi,

I have simulated a 2D rear wing with two airfoils. The drag coefficient of the large airfoil is negative, the drag of the smaller one is positive. In my view this is not possible. I use a...

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