problems analysis cfd with flotran

[Doppiaemme]

Hello everyone, I am a student of mechanical ing with a thesis that previews the use of ansys (theses chosen especially because apart from an examination with some simil-tutorial has never done anything else with such software). I know little about the program.
I must first do a cfd analysis on the fluid film (oil) of a hydrodynamic bearing, with rotating shaft at constant speed w. problem 2d
designed the geometry that represents it (i.e. the subtraction of 2 areas of eccentric circumference), and chosen the cfd element 141, I must give the speed conditions nothing on the external line and speed w on the internal one. how do I set cylindrical coordinates on ansys, both as a reference system and as a boundary condition?
This is the first problem, but I'm sure more will come out. waiting for an answer I greet you.

 

[volaff]

If you write "university of alberta ansys" on google, find some examples that might help you

 

[stefano.garbin]

guida in linea di ansys.
"mechanical apdl" -> "basic analysis guide" e "modeling and meshing guide" -> "coordinate systems"

 

[Doppiaemme]

I thank you for the answers, even if I couldn't find the solution of the problem immediately...in practice, if I didn't understand bad, going to set the active coordinate system in the heart. cylindrical (csys,1), when placed the conditions at the boundary of speed on the lines (for the element flotran/cfd) the vx vy vz are automatically considered as radial speed, angle, and long z.
So it was enough for me to impose vy as (w*r) and, reminding me to put rsys,1 in postprocessing, I should get what I want.
I think it's the right way, but please correct me otherwise! (I know it's a banality)
Thanks again.

 

[Doppiaemme]

Here I am again: I solved the cfd analysis on the oil film, obtained as speed solutions and correct pressures.
Now my new problem is to transfer the nodal results of pressure to the internal tree. Obviously, taking advantage of the geometry of the film, I recreated a meshatura of the tree that coincides with that of the oil film in the contact area.
However, I do not know how to transfer the nodal solutions obtained for cfd analysis (a fluid element 142) to the nodes of the new elements (brick 8 knots 185).
I thank you and greet you.