Dear Etienne,
the approach you describe is exactly the approach I am currently using,
with Q in (DStorage/Dt + div F - Q =0) being a function of the
composition of the water phase concentrations.
Thus, I can tell you that it works.
Best regards,
Johannes Hommel
On 12/11/2014 10:38 AM, Etienne Ahusborde wrote:
Dear DuMuX users,
I try to explain quickly my issue. I have a problem with several
aqueous concentrations Ci and an other solid concentration S.
All the concentrations Ci are solution of coupled partial differential
equations (PDE) that depend on S while S is solution of an ordinary
differential equation (ODE) depending on S and Ci.
So I would like to know if in DuMuX it is possible to solve an ODE?
Currently, we have tried to use the general framework (DStorage/Dt +
div F - Q =0) and to take an flux F equal to 0 in the equation
corresponding to S.
I think that it could work but it's not really accurate.
Thanks in advance for your reply.
Best regards
Etienne Ahusborde
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--
*******************************************************
Johannes Hommel
Lehrstuhl für Hydromechanik und Hydrosystemmodellierung (LH2)
Institut für Wasser- und Umweltsystemmodellierung (IWS), Universität Stuttgart
www.hydrosys.uni-stuttgart.de
email: [email protected]
Pfaffenwaldring 61
70550 Stuttgart
Tel.: ++49 711 / 685-64600
Department of Hydromechanics and Modelling of Hydrosystems (LH2)
Institute for Modelling Hydraulic and Environmental Systems (IWS), University
of Stuttgart
www.hydrosys.uni-stuttgart.de
email: [email protected]
Pfaffenwaldring 61
70550 Stuttgart
Tel.: ++49 711 / 685-64600
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