Ffowcs William & Hawkings data taking problem
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I am using Ffowcs William & Hawkings method to simulate the sound pressure level of the propeller. However, I can only get the dB from 0.5Hz to 1 Hz and that is completely useless for me. It shows zero size or size mismatch for x/y values when I try to take other data bigger than 1Hz. Did I do something wrong?
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