Hello Gerardo,

please have a look at the original file of the tutorial you have edited, 
where in the function of the source values are assigned as follows:

         values[Indices::contiWEqIdx] = 0.0;
         values[Indices::contiNEqIdx]= 0.0;

Each component (or in the 2p models phase, respectively) is given an 
individual value - only in this special case (both entries having the 
same value), it would be sufficient to write

        values = 0;

In your case, you only want an outflow of water. Therefore specify this 
by using the appropriate index, i.e.

         values[Indices::contiWEqIdx] = -1.;
         values[Indices::contiNEqIdx]= 0.0;


I would also like to encourage you to spend more time on the focus, 
structure and readability of your questions, and apply some 
spell-checking software. This might sound old-fashioned, but, in my 
opinion, is an essential ingredient of showing respect and being polite, 
if you are about to seek help from somebody else.

Best regards,

Benjamin Faigle



On 02/17/2014 12:07 PM, Gerardo Zegers R wrote:
> Thanks for the help, but I still have the other doubt about the
> extraction of water.
>
> Iam the two phase model with a fluidsustem ( h2oairfluid system), where
> water as wetting phase and air as non-wetting phase. In the function of
> SourceAtpos when i put the value ( negative for extraction) I think is
> extracting air , how i can only extract water??
>
> Thanks
>
.......
>
> --
> Gerardo Zegers R
> 89850305
>
>
> _______________________________________________
> Dumux mailing list
> [email protected]
> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux
>

-- 
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Dipl.-Ing. Benjamin Faigle
Universität Stuttgart
Institut für Wasser- und Umweltsystemmodellierung
Lehrstuhl für Hydromechanik & Hydrosystemmodellierung
Pfaffenwaldring 61 *** 70569 Stuttgart
http://www.hydrosys.uni-stuttgart.de/

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