[iakov1703]

Hi,

I am running a 2D simulation in Fluent with an aim to calculate the Drag Force.

I get the the predicted value through Report -> Forces after the simulation has completed. Usually it is around 600 N.

However, the Drag I compute through Report Definitions -> Drag Force and consequently observe through Monitors -> Report Plots -> Drag Force is different, around 10'000 N.
question_cfd.png
In both cases I select the same axis and the same wall geometry. Surely they should show the same thing, or am I misunderstanding something?

Would you please help me to understand why these values can be different?


Thanks.