Partitioning tracers #5268
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Partitioning tracers #5268
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Solve an extended linear system with free and solution tracers with mass transfer coupling term.
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Extended the tracer model to include partitioning of tracers into free and solution states whenever dissolved gas/vaporized oil exist. Essentially the tracer linear system has been extended with equations for free and solution tracers with simple mass transfer coupling between them. Both free and solution tracers are now outputted in restart files.
The PR is in draft mode to discuss and further improve/develop the tracer model. Per now it seems the results for the solution tracer part generally does not match reference results (e.g. in the gas tracer test); only matches for simple test cases (e.g., one cell partitioning tracers). However, results for the free tracer part does generally match reference results and are also improved over current master implementation.
Note: Due to the current implementation of the TRACERS keyword, only option 2 (=number of water tracers) is used in the simulations. So this option must be set regardless of which type of tracer that is used. Correcting this seemed a bit over my head at the moment, but when/if this draft becomes a real PR, the keyword behavior must be fixed.
Depends on: OPM/opm-common#4001