[xCFD]

Hello foamers,

i am trying to simulate a fan for aeroacoustics analysis. The geometry has a rotating part in the middle with stationary inlet and outlet volumes. The geometry has 2 AMI pairs, one in the start (with inlet) of the rotatory part and the other at the end (with outlet). The case is running smoothly in steady state with simplefoam but keep diverging in pimplefoam after some revolutions ( 1~2 revolutions). Can anyone look at my case files and suggest me where I am might improve my case to get a divergent solution?
i have also attached the slice cut of my geometry for reference.

Thank you in advance!!

controlDict.txt

fvSchemes.txt

fvSolution.txt

residual1_1.jpg

GEOMETRY.png