Are you running the latest version of PyFR? (1.15.0 if you’re using pip or b5b4357 if you’re using git)
Beucase I have used this feature alot and it works fine for me. Are you sure that the solution files (pyfrs) were created with the ini file you expect? You can check this with h5dump -d /config some_file.pyfrs
And I have a question. I want to calculate the Cf, after I output a layer of elements near the wall and calculate the gradient_velocity, Is it correct to extract the data with “plot over line” at y=0.001? (the height of the first layer is 0.001) But in this way, Cf is incorrect. The case is 2D, Or what else should I do?