Hello Bernd, Outflow boundary conditions have been implemented for the fully-implicit models 1p2c, 2p2c(ni) and stokes(2cni), but I need use this boundary condisions for 2p and Richards models. I have been using Dumux 2.5, may be it has implemented in Dumux 2.6?
Thank you for your help Elena 2014-11-24 21:07 GMT+03:00 Bernd Flemisch <[email protected]>: > Hi Elena, > > you also might want to check out the test in test/implicit/1p2c. There, an > outflow boundary condition is used, maybe that is what you want. It only > works if stuff really is flowing out (or at least not flowing in). > > Kind regards > Bernd > > On Mon, 24 Nov 2014 18:58:39 +0100 > Thomas Fetzer <[email protected]> wrote: > >Hi Elena, > > > >if you want the liquid to flow out, you can just specify a Dirichlet > boundary condition by setting it in the boundaryTypesAtPos() function and > setting the value in the dirichletAtPos()in your problem. > >If you take the cell pressure also at the boundary this would end up in > Neumann no-flow boundary again (because then you do not have a pressure > gradient). > > > >Best regards, > >Thomas > > > > > >%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% > >Dipl. Ing. Thomas Fetzer > >Institut für Wasser- und Umweltsystemmodellierung (IWS) > >Lehrstuhl für Hydromechanik und Hydrosystemmodellierung > >Universität Stuttgart, Pfaffenwaldring 61, 70569 Stuttgart > >Email: [email protected] > >Telefon: 0049-711-685-60103 ** fax: 0049-711-685-60430 > >http://www.hydrosys.uni-stuttgart.de > >%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% > > > >Am 11/24/2014 um 04:48 PM schrieb Elena Shaporenko: > >> Hi Christoph, > >> > >> I'm afraid I put it wrong and you did not understand me. I need a free > >> boundary for the liquid phase. Zero flow means that the fluid does not > >> leave the area, but I need it to flow out freely. I would use Dirichlet > >> boundary condition if I could if I could put the border cell pressure as > >> boundary pressure. How can I do this? > >> > >> > >> I work together Kirill Gerke. > >> > >> > >> Elena > >> > >> > >> 2014-11-24 18:22 GMT+03:00 Christoph Grüninger > >> <[email protected] > >> <mailto:[email protected]>>: > >> > >> Hi Elena, > >> you need a Neumann boundary condition with zero flux. Or did I miss > your > >> question? > >> > >> Just out of curiosity: What's your affiliation? > >> > >> Bye, > >> Christoph > >> > >> -- > >> GDB does hate your application, expresses its contempt through the > >> design of its command-line interface. -- Tom Tromey, FOSDEM 2014 > >> > >> > >> _______________________________________________ > >> Dumux mailing list > >> [email protected] <mailto: > [email protected]> > >> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux > >> > >> > >> > >> > >> _______________________________________________ > >> Dumux mailing list > >> [email protected] > >> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux > >> > >_______________________________________________ > >Dumux mailing list > >[email protected] > >https://listserv.uni-stuttgart.de/mailman/listinfo/dumux > > _______________________________________________________________ > > Bernd Flemisch phone: +49 711 685 69162 > IWS, Universitaet Stuttgart fax: +49 711 685 67020 > Pfaffenwaldring 61 email: [email protected] > D-70569 Stuttgart url: www.hydrosys.uni-stuttgart.de > _______________________________________________________________ > _______________________________________________ > Dumux mailing list > [email protected] > https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >
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