Pressure Drop Convergence Study
 

Hi, im new to OpenFoam.

I simulated a cyclon. The results in paraview are looking good, compered to other cylon simulations with cfd.

Now I want to do a Convergence Study with the pressure drop, but I dont know how i can implement to OpenFoam to calculate the pressure drop. In the tutorial that i use, there is a folder created "forces" in witch there is a text data "forceCoeffs.dat". There is the cd-Value saved. I can export these data to excel and do the Convergence Study with the cd-Value, but i want to do it with the Pressure drop. But the Pressure drop is not calulated. Can someone explain me how to do it.