neighbor faces
 

I use the UDF, I want to know how to identify the ID of the neighbor faces to a face known

Re: neighbor faces
 

If you are talking about a shadow face, they take the same ID.

Re: neighbor faces
 

I talke about an elementary face (f) for a grid. to solve the heat equation with a term source (surface condensation phenomenon ), one using a finite volume methods, it is necessary for me to know the neighbor face for each face f.

Re: neighbor faces
 

See UDF manual pp. 5-6 to 5-9.

F_C0(f,tf) and F_C1(f,tf) give you the adjacent cells' indices.

THREAD_T0(tf) and THREAD_T1(tf) give you the ajacent threads.

Good luck!

Re: neighbor faces
 

I want neighbor face (face f) for each (face f) not the adjacent cells' for face thank you

Re: neighbor faces
 

What are you talking about?

If you have a grid:

|-2-|-5-| 1 3 6 |-4-|-7-|

What is the "neighbour face" of face 3?

Re: neighbor faces
 

-1-2-3- -4-5-6- -7-8-9- If this numbers is supposed the faces of a grid. The neighbor faces 5 are 1,2,3,4,6,7,8,9.

Re: neighbor faces
 

Sorry, this board has a few issues with white space - I should have previewed it. If you have a quad grid, of two cells. The face between them is face 3. The faces on one cell are 1, 2, 3, and 4 and on the other are 3, 5, 6 and 7.

If you have a grid:

| - 2 - | - 5 - |

1.......3.......6

| - 4 - | - 7 - |

What is the "neighbour face" of face 3?

Re: neighbor faces
 

-1-2-3- -4-5-6- -7-8-9- If this numbers is supposed the faces of a grid. The neighbor faces 5 are 1,2,3,4,6,7,8,9.