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Add comments to the well equations

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Gas and solvent is combinded and solved together
The input in the well equation is then the
total gas phase = hydro carbon gas + solvent gas
This may need to be reconsidered later, as the model
is tested.
This commit is contained in:
Tor Harald Sandve 2015-08-14 12:23:20 +02:00
parent cca5410ebb
commit 554f1ec9c6
1 changed files with 14 additions and 2 deletions
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16
opm/autodiff/BlackoilSolventModel_impl.hpp
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@ -269,9 +269,16 @@ namespace Opm {
int gas_pos = fluid_.phaseUsage().phase_pos[Gas];
int oil_pos = fluid_.phaseUsage().phase_pos[Oil];
// remove contribution from the dissolved gas.
// TODO compensate for gas in the oil phase
assert(!has_vapoil_);
const ADB cq_s_solvent = wellSolventFraction * (cq_s[gas_pos] - rs_perfcells * cq_s[oil_pos]);
//cq_s[gas_pos] = ( ones - wellSolventFraction ) * cq_s[gas_pos];;
// Solvent contribution to the mass balance equation is given as a fraction
// of the gas contribution.
residual_.material_balance_eq[solvent_pos_] -= superset(cq_s_solvent, well_cells, nc);
// The gas contribution must be reduced accordingly for the total contribution to be
// the same.
residual_.material_balance_eq[gas_pos] += superset(cq_s_solvent, well_cells, nc);
}
@ -463,9 +470,14 @@ namespace Opm {
}
if (has_solvent_) {
int gas_pos = fluid_.phaseUsage().phase_pos[Gas];
// Gas and solvent is combinded and solved together
// The input in the well equation is then the
// total gas phase = hydro carbon gas + solvent gas
// This may need to be reconsidered later, as the model
// is tested.
mob_perfcells[gas_pos] += subset(rq_[solvent_pos_].mob, well_cells);
b_perfcells[gas_pos] += subset(rq_[solvent_pos_].b, well_cells);
}
if (param_.solve_welleq_initially_ && initial_assembly) {
// solve the well equations as a pre-processing step