OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2025-02-25 18:55:30 -06:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #5398 from atgeirr/minor-oscillation-handling-fix

Browse Source 
Detect oscillation in just one phase.
This commit is contained in:
Bård Skaflestad
2024-06-05 13:56:35 +02:00
committed by GitHub
parent 904cb7e2c4 558d888d90
commit 4cf8a50b26
2 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
opm/simulators/flow/NonlinearSolver.cpp
View File

@@ -34,6 +34,7 @@ namespace detail {
template<class Scalar>
void detectOscillations(const std::vector<std::vector<Scalar>>& residualHistory,
const int it, const int numPhases, const Scalar relaxRelTol,
const int minimumOscillatingPhases,
bool& oscillate, bool& stagnate)
{
// The detection of oscillation in two primary variable results in the report of the detection
@@ -63,7 +64,7 @@ void detectOscillations(const std::vector<std::vector<Scalar>>& residualHistory,
stagnate = (stagnate && !(std::abs((F1[p] - F2[p]) / F2[p]) > 1.0e-3));
}
oscillate = (oscillatePhase > 1);
oscillate = (oscillatePhase >= minimumOscillatingPhases);
}
template <class BVector, class Scalar>
@@ -114,7 +115,7 @@ using BV = Dune::BlockVector<Dune::FieldVector<Scalar,Size>>;
#define INSTANCE_TYPE(T) \
template void detectOscillations(const std::vector<std::vector<T>>&, \
const int, const int, const T, \
const int, const int, const T, const int, \
bool&, bool&); \
INSTANCE(T,1) \
INSTANCE(T,2) \

3
opm/simulators/flow/NonlinearSolver.hpp
View File

@@ -92,6 +92,7 @@ namespace detail {
template<class Scalar>
void detectOscillations(const std::vector<std::vector<Scalar>>& residualHistory,
const int it, const int numPhases, const Scalar relaxRelTol,
const int minimumOscillatingPhases,
bool& oscillate, bool& stagnate);
/// Apply a stabilization to dx, depending on dxOld and relaxation parameters.
@@ -295,7 +296,7 @@ void stabilizeNonlinearUpdate(BVector& dx, BVector& dxOld,
const int it, bool& oscillate, bool& stagnate) const
{
detail::detectOscillations(residualHistory, it, model_->numPhases(),
this->relaxRelTol(), oscillate, stagnate);
this->relaxRelTol(), 2, oscillate, stagnate);
}