Hi there,
I was wondering how the Lift and Drag are calculated, because they don’t seem to match either the body forces calculation nor the far field calculation. As an example, here are comparisons for 3 different states:
I figured CL and CD are calculated using Lift & Darg, but I can’t backtrack their computation using the body or FF forces. Also, which method is used to calculated the moments(L, M, N) ?
Thank you!
In case the picture doesn’t load:
alpha(°) beta(°) phi(°) CL CD Lift_(N) Drag_(N) Fx_FF_(N) Fy_FF_(N) Fz_FF_(N) Fx_sum_(N) Fy_sum_(N) Fz_sum_(N) Vx_(m/s) Vz_(m/s) V_(m/s)
-9 0 0 -0.34828 0.056443 -126.92 20.568 -17.475 1.67E-05 -125.73 -19.927 1.60E-05 -125.81 49.356 -3.186 50
-9 0 0 -0.34828 0.042061 -182.76 22.071 -25.164 2.40E-05 -181.05 -28.695 2.30E-05 -181.17 59.567 -2.3742 60
-9 0 0 -0.34828 0.038493 -248.75 27.493 -34.252 3.27E-05 -246.43 -39.057 3.13E-05 -246.59 69.576 -2.1728 70