DATCOM limitation for Incremental pitching-moment coefficient due to control surface deflection calculation

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Emma D. on 17 Jul 2020

Hi Community !

When adding a "SYMFLP" namelist to my datcom input file, I get D(CM) output as a function of Mach, Alpha, Altitude and Deflection of the surface.

My problem is that all output values are NaN above a certain altitude.

Are there limitation with Datcom or have I done something wrong somewhere?

Thanks for your answers !

Have a great day

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