how to use fluid fluid interface
I am having problems with seting up a simulation with a rotating difussor. The geometry is simple stationary cylinder and at the end of it a rotating diffusor. I created two meshes and imported them into cfx. Between the meshes there is a fluid fluid interface. If I use Stzage as the interface model I get the following error:
" ERROR #555000001 has occurred in subroutine SRF_CORRECT.
GGI intersection error: The theta extent is too small on
Domain Interface: FFinterfejs
Please examine your domain interface and look for the following:
1) surface with more than 360 degrees of revolution
2) surface intersects R=0
3) surface has faces normal AND parallel to the rotation axis
Change Transformation Type to None instead of Automatic in the
solver command file if any of the 3 situations apply. "
What does that mean? Can I even use stage model?
Should the type of the domain interface be fluid fluid or interface?
If the type periodic what does rotation or translation actually mean?
Thx in advance!
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