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Normal Force Curve Slope at 0 Angle of Attack

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Old   February 6, 2024, 04:36
Smile Normal Force Curve Slope at 0 Angle of Attack
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Hi everyone.

I'm trying to validate my CFD model using results from A. Dunn, Aeropredictive methods for missile analysis, 1989. One of the results is the "Normal force curve slope". How would I obtain this as an output from Fluent? My understanding is that there is no normal force generated on a symmetric 'spinner' body at 0 AoA, so I am a bit confused and haven't found any good explanations online.

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