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added: MultisegmentWellEquations::solve()

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this applies the inverted D matrix to the residual vector.
use the new method in the well implementation.
This commit is contained in:
Arne Morten Kvarving 2022-11-11 21:41:24 +01:00
parent a7cb444328
commit bc312d1117
3 changed files with 12 additions and 4 deletions
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7
opm/simulators/wells/MultisegmentWellEquations.cpp
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@ -161,6 +161,13 @@ void MultisegmentWellEquations<Scalar,numWellEq,numEq>::createSolver()
#endif
}
template<class Scalar, int numWellEq, int numEq>
typename MultisegmentWellEquations<Scalar,numWellEq,numEq>::BVectorWell
MultisegmentWellEquations<Scalar,numWellEq,numEq>::solve() const
{
return mswellhelpers::applyUMFPack(*duneDSolver_, resWell_);
}
#define INSTANCE(numWellEq, numEq) \
template class MultisegmentWellEquations<double,numWellEq,numEq>;

3
opm/simulators/wells/MultisegmentWellEquations.hpp
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@ -83,6 +83,9 @@ public:
//! \brief Compute the LU-decomposition of D matrix.
void createSolver();
//! \brief Apply inverted D matrix to residual and return result.
BVectorWell solve() const;
// two off-diagonal matrices
OffDiagMatWell duneB_;
OffDiagMatWell duneC_;

6
opm/simulators/wells/MultisegmentWell_impl.hpp
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@ -519,8 +519,7 @@ namespace Opm
// We assemble the well equations, then we check the convergence,
// which is why we do not put the assembleWellEq here.
const BVectorWell dx_well = mswellhelpers::applyUMFPack(*this->linSys_.duneDSolver_,
this->linSys_.resWell_);
const BVectorWell dx_well = this->linSys_.solve();
updateWellState(dx_well, well_state, deferred_logger);
}
@ -1495,8 +1494,7 @@ namespace Opm
assembleWellEqWithoutIteration(ebosSimulator, dt, inj_controls, prod_controls, well_state, group_state, deferred_logger);
const BVectorWell dx_well = mswellhelpers::applyUMFPack(*this->linSys_.duneDSolver_,
this->linSys_.resWell_);
const BVectorWell dx_well = this->linSys_.solve();
if (it > this->param_.strict_inner_iter_wells_) {
relax_convergence = true;