But sir, how can the reference area be the same for calculating lift and drag coefficient?
And also I tried to run the Ahmed body simulation with having a frontal projected area as a reference area and I computed the drag and lift coefficient and when I compared this coefficient with the experimental one I am getting the wrong lift coefficient but the drag coefficient is correct.
Also, when I keep the perpendicular area as a reference area I got the lift coefficient correct but the drag coefficient is wrong.
Even the below discussion suggesting me to use a perpendicular area to calculate the lift coefficient and frontal projected area for calculating the drag coefficient.
I hope you understand my concern.
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