# neighbor faces

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 February 15, 2005, 06:42 neighbor faces #1 saghir Guest   Posts: n/a I use the UDF, I want to know how to identify the ID of the neighbor faces to a face known

 February 15, 2005, 06:46 Re: neighbor faces #2 Andrew Garrard Guest   Posts: n/a If you are talking about a shadow face, they take the same ID.

 February 15, 2005, 09:09 Re: neighbor faces #3 saghir Guest   Posts: n/a 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.

 February 15, 2005, 11:33 Re: neighbor faces #4 Doru Grosan Guest   Posts: n/a 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!

 February 15, 2005, 12:22 Re: neighbor faces #5 saghir Guest   Posts: n/a I want neighbor face (face f) for each (face f) not the adjacent cells' for face thank you

 February 16, 2005, 05:08 Re: neighbor faces #6 Andrew Garrard Guest   Posts: n/a 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?

 February 16, 2005, 06:43 Re: neighbor faces #7 saghir Guest   Posts: n/a -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.

 February 16, 2005, 07:02 Re: neighbor faces #8 Andrew Garrard Guest   Posts: n/a 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?

 February 16, 2005, 07:21 Re: neighbor faces #9 saghir Guest   Posts: n/a -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.

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