Hello,
I ran into some strange issue in my porous flow simulation and I think
it may come from my misunderstanding of DuMux subtleties of
multi-component flow.
Could anybody please clarify things a bit for me?
1. What is a concentration -- is it the mass ratio of a component (e. g.
polymer) in the whole wetting phase (solution), or mass ratio of the
said component to the 0-th component (water)?
2. When I put neumann() conditions for injection or extraction fluxes,
should I assume that the flux that corresponds to the main component is
the molar flux of water, or the molar flux of phase (water + polymer +
other components if any)? I see examples in dumux/test/porousmediumflow
that seem to imply different answers to this question.
Best regards,
Dmitry
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