openfoam's libAcoustic and fft
 

Dear:
I am major in acoustic with openfoam and i am a new openfoamer, now i am doing soemthing with a airfoil to plot its SPL,but when i run my case,i find the observers in libAcoustic can't do the fft,.
I hope someone who can help me!
Thank you very much ! \

Dear lorenzotrevisan:
Thanks for your replay. Could you have experience in using fft in openfoam,and if you have done someting by using fft in openfoam,could you give me your case to let me learn more!
Best wishes!