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-   -   How to adapt lower phase in 3 D pipe flow (http://www.cfd-online.com/Forums/fluent/45442-how-adapt-lower-phase-3-d-pipe-flow.html)

K.Baker July 19, 2007 09:17

How to adapt lower phase in 3 D pipe flow
 
I have a 3 D pipe geometry I need water flow in the lower half part of the pipe and air the upper. I think here I need to adapt the water but I am really not know which type of adapt options should I use for this : Hex or sphere or cylinder and what input coordinates should I choose?

Thanks a lot K. Baker


red lemon July 19, 2007 18:09

Re: How to adapt lower phase in 3 D pipe flow
 
you mean marking a cell zone for initialisation right or adapting the liquid phase only. use a box with the upper surface at the free surface. the box can go right through into the void and youre just using a surface of the box. Or mark cells by volume fraction then adapt the marked region.

K.Baker July 21, 2007 15:19

Re: How to adapt lower phase in 3 D pipe flow
 
Thanks to the reply. Yes I need to mark a cell zone for initilization with different velocity and different phase too. What box at the upper surface you mean? Can you illustrate your answer with clear steps please?

K.Baker


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