Dear All, I'm using the existing BrineCO2 fluid system to simulate a 2-phase brine-co2 flow in porous media in DUMUX. I faced some problems here:
1. Although initially my media is filled with brine, and CO2 is injected from one side, liquid saturation is always 1. X^CO2 gas property changes, but saturation no. I think this is the reason why I face numerical convergency problems too. 2. How can I specify the initial NaCl concentration? 3. How can I specify the fluid corresponding to a Dirichlet boundary condition? For example, I have a constant pressure boundary; how can I say it should act as a sink or source, and if it is acting as a source, which fluid should be injected from it? Thank you so much for the help Armin
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