opm-simulators/opm/simulators/wells/MSWellHelpers.cpp
Kai Bao 1f077c35d2 rewrting frictionPressureLoss fucntion for better jacobian matrix
it removes some singularity warning from UMFPack.
2022-12-07 11:43:12 +01:00

357 lines
13 KiB
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/*
Copyright 2017 SINTEF Digital, Mathematics and Cybernetics.
Copyright 2017 Statoil ASA.
Copyright 2020 Equinor ASA.
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <opm/simulators/wells/MSWellHelpers.hpp>
#include <opm/common/ErrorMacros.hpp>
#include <opm/common/OpmLog/OpmLog.hpp>
#include <opm/input/eclipse/Schedule/MSW/SICD.hpp>
#include <opm/material/densead/Evaluation.hpp>
#include <opm/simulators/utils/DeferredLogger.hpp>
#include <opm/simulators/utils/DeferredLoggingErrorHelpers.hpp>
#include <dune/istl/preconditioners.hh>
#include <dune/istl/solvers.hh>
#if HAVE_UMFPACK
#include <dune/istl/umfpack.hh>
#endif // HAVE_UMFPACK
#include <cmath>
namespace {
template <typename ValueType>
ValueType haalandFormular(const ValueType& re,
const double diameter,
const double roughness)
{
const ValueType value = -3.6 * log10(6.9 / re + std::pow(roughness / (3.7 * diameter), 10. / 9.) );
// sqrt(1/f) should be non-positive
assert(value >= 0.0);
return 1. / (value * value);
}
// water in oil emulsion viscosity
// TODO: maybe it should be two different ValueTypes. When we calculate the viscosity for transitional zone
template <typename ValueType>
ValueType WIOEmulsionViscosity(const ValueType& oil_viscosity,
const ValueType& water_liquid_fraction,
const double max_visco_ratio)
{
const ValueType temp_value = 1. / (1. - (0.8415 / 0.7480 * water_liquid_fraction) );
const ValueType viscosity_ratio = pow(temp_value, 2.5);
if (viscosity_ratio <= max_visco_ratio) {
return oil_viscosity * viscosity_ratio;
} else {
return oil_viscosity * max_visco_ratio;
}
}
// oil in water emulsion viscosity
template <typename ValueType>
ValueType OIWEmulsionViscosity(const ValueType& water_viscosity,
const ValueType& water_liquid_fraction,
const double max_visco_ratio)
{
const ValueType temp_value = 1. / (1. - (0.6019 / 0.6410) * (1. - water_liquid_fraction) );
const ValueType viscosity_ratio = pow(temp_value, 2.5);
if (viscosity_ratio <= max_visco_ratio) {
return water_viscosity * viscosity_ratio;
} else {
return water_viscosity * max_visco_ratio;
}
}
}
namespace Opm {
namespace mswellhelpers
{
/// Applies umfpack and checks for singularity
template <typename MatrixType, typename VectorType>
VectorType
applyUMFPack(Dune::UMFPack<MatrixType>& linsolver,
VectorType x)
{
#if HAVE_UMFPACK
// The copy of x seems mandatory for calling UMFPack!
VectorType y(x.size());
y = 0.;
// Object storing some statistics about the solving process
Dune::InverseOperatorResult res;
// Solve
linsolver.apply(y, x, res);
// Checking if there is any inf or nan in y
// it will be the solution before we find a way to catch the singularity of the matrix
for (size_t i_block = 0; i_block < y.size(); ++i_block) {
for (size_t i_elem = 0; i_elem < y[i_block].size(); ++i_elem) {
if (std::isinf(y[i_block][i_elem]) || std::isnan(y[i_block][i_elem]) ) {
const std::string msg{"nan or inf value found after UMFPack solve due to singular matrix"};
OpmLog::debug(msg);
OPM_THROW_NOLOG(NumericalIssue, msg);
}
}
}
return y;
#else
// this is not thread safe
OPM_THROW(std::runtime_error, "Cannot use applyUMFPack() without UMFPACK. "
"Reconfigure opm-simulators with SuiteSparse/UMFPACK support and recompile.");
#endif // HAVE_UMFPACK
}
template <typename VectorType, typename MatrixType>
Dune::Matrix<typename MatrixType::block_type>
invertWithUMFPack(const int size,
const int bsize,
Dune::UMFPack<MatrixType>& linsolver)
{
#if HAVE_UMFPACK
VectorType e(size);
e = 0.0;
// Make a full block matrix.
Dune::Matrix<typename MatrixType::block_type> inv(size, size);
// Create inverse by passing basis vectors to the solver.
for (int ii = 0; ii < size; ++ii) {
for (int jj = 0; jj < bsize; ++jj) {
e[ii][jj] = 1.0;
auto col = applyUMFPack(linsolver, e);
for (int cc = 0; cc < size; ++cc) {
for (int dd = 0; dd < bsize; ++dd) {
inv[cc][ii][dd][jj] = col[cc][dd];
}
}
e[ii][jj] = 0.0;
}
}
return inv;
#else
// this is not thread safe
OPM_THROW(std::runtime_error, "Cannot use invertWithUMFPack() without UMFPACK. "
"Reconfigure opm-simulators with SuiteSparse/UMFPACK support and recompile.");
#endif // HAVE_UMFPACK
}
template <typename MatrixType, typename VectorType>
VectorType
invDX(const MatrixType& D, VectorType x, DeferredLogger& deferred_logger)
{
// the function will change the value of x, so we should not use reference of x here.
// TODO: store some of the following information to avoid to call it again and again for
// efficiency improvement.
// Bassically, only the solve / apply step is different.
VectorType y(x.size());
y = 0.;
Dune::MatrixAdapter<MatrixType, VectorType, VectorType> linearOperator(D);
// Sequential incomplete LU decomposition as the preconditioner
#if DUNE_VERSION_NEWER(DUNE_ISTL, 2, 7)
Dune::SeqILU<MatrixType, VectorType, VectorType> preconditioner(D, 1.0);
#else
Dune::SeqILU0<MatrixType, VectorType, VectorType> preconditioner(D, 1.0);
#endif
// Dune::SeqILUn<MatrixType, VectorType, VectorType> preconditioner(D, 1, 0.92);
// Dune::SeqGS<MatrixType, VectorType, VectorType> preconditioner(D, 1, 1);
// Dune::SeqJac<MatrixType, VectorType, VectorType> preconditioner(D, 1, 1);
// Preconditioned BICGSTAB solver
Dune::BiCGSTABSolver<VectorType> linsolver(linearOperator,
preconditioner,
1.e-8, // desired residual reduction factor
250, // maximum number of iterations
0); // verbosity of the solver */
// Object storing some statistics about the solving process
Dune::InverseOperatorResult res;
// Solve
linsolver.apply(y, x, res);
if ( !res.converged ) {
OPM_DEFLOG_THROW(NumericalIssue, "the invDX did not converge ", deferred_logger);
}
return y;
}
template <typename ValueType>
ValueType frictionPressureLoss(const double l, const double diameter,
const double area, const double roughness,
const ValueType& density,
const ValueType& w, const ValueType& mu)
{
// Reynolds number
const ValueType re = abs( diameter * w / (area * mu));
constexpr double re_value1 = 2000.;
constexpr double re_value2 = 4000.;
if (re < re_value1) {
// not using the formula directly because of the division with very small w
// might introduce inf/nan entries in Jacobian matrix
return 32.* mu * l * abs(w) / (area * diameter *diameter * density);
}
ValueType f;
if (re > re_value2) {
f = haalandFormular(re, diameter, roughness);
} else { // in between
constexpr double f1 = 16. / re_value1;
const ValueType f2 = haalandFormular(re_value2, diameter, roughness);
f = (f2 - f1) / (re_value2 - re_value1) * (re - re_value1) + f1;
}
// \Note: a factor of 2 needs to be here based on the dimensional analysis
return 2. * f * l * w * w / (area * area * diameter * density);
}
template <typename ValueType>
ValueType valveContrictionPressureLoss(const ValueType& mass_rate,
const ValueType& density,
const double area_con, const double cv)
{
// the formulation is adjusted a little bit for convinience
// velocity = mass_rate / (density * area) is applied to the original formulation
const double area = (area_con > 1.e-10 ? area_con : 1.e-10);
return mass_rate * mass_rate / (2. * density * cv * cv * area * area);
}
template <typename ValueType>
ValueType velocityHead(const double area, const ValueType& mass_rate,
const ValueType& density)
{
// \Note: a factor of 2 is added to the formulation in order to match results from the
// reference simulator. This is inline with what is done for the friction loss.
return (mass_rate * mass_rate / (area * area * density));
}
template <typename ValueType>
ValueType emulsionViscosity(const ValueType& water_fraction,
const ValueType& water_viscosity,
const ValueType& oil_fraction,
const ValueType& oil_viscosity,
const SICD& sicd)
{
const double width_transition = sicd.widthTransitionRegion();
// it is just for now, we should be able to treat it.
if (width_transition <= 0.) {
OPM_THROW(std::runtime_error, "Not handling non-positive transition width now");
}
const double critical_value = sicd.criticalValue();
const ValueType transition_start_value = critical_value - width_transition / 2.0;
const ValueType transition_end_value = critical_value + width_transition / 2.0;
const ValueType liquid_fraction = water_fraction + oil_fraction;
// if there is no liquid, we just return zero
if (liquid_fraction == 0.) {
return 0.;
}
const ValueType water_liquid_fraction = water_fraction / liquid_fraction;
const double max_visco_ratio = sicd.maxViscosityRatio();
if (water_liquid_fraction <= transition_start_value) {
return WIOEmulsionViscosity(oil_viscosity, water_liquid_fraction, max_visco_ratio);
} else if (water_liquid_fraction >= transition_end_value) {
return OIWEmulsionViscosity(water_viscosity, water_liquid_fraction, max_visco_ratio);
} else { // in the transition region
const ValueType viscosity_start_transition = WIOEmulsionViscosity(oil_viscosity, transition_start_value, max_visco_ratio);
const ValueType viscosity_end_transition = OIWEmulsionViscosity(water_viscosity, transition_end_value, max_visco_ratio);
const ValueType emulsion_viscosity = (viscosity_start_transition * (transition_end_value - water_liquid_fraction)
+ viscosity_end_transition * (water_liquid_fraction - transition_start_value) ) / width_transition;
return emulsion_viscosity;
}
}
template<int Dim>
using Vec = Dune::BlockVector<Dune::FieldVector<double,Dim>>;
template<int Dim>
using Mat = Dune::BCRSMatrix<Dune::FieldMatrix<double,Dim,Dim>>;
#define INSTANCE_UMF(Dim) \
template Vec<Dim> applyUMFPack<Mat<Dim>,Vec<Dim>>(Dune::UMFPack<Mat<Dim>>&, \
Vec<Dim>); \
template Dune::Matrix<typename Mat<Dim>::block_type> \
invertWithUMFPack<Vec<Dim>,Mat<Dim>>(const int, const int, Dune::UMFPack<Mat<Dim>>&);
INSTANCE_UMF(2)
INSTANCE_UMF(3)
INSTANCE_UMF(4)
#define INSTANCE_IMPL(...) \
template __VA_ARGS__ \
frictionPressureLoss<__VA_ARGS__>(const double, \
const double, \
const double, \
const double, \
const __VA_ARGS__&, \
const __VA_ARGS__&, \
const __VA_ARGS__&); \
template __VA_ARGS__ \
valveContrictionPressureLoss<__VA_ARGS__>(const __VA_ARGS__& mass_rate, \
const __VA_ARGS__& density, \
const double, const double); \
template __VA_ARGS__ \
velocityHead<__VA_ARGS__>(const double, const __VA_ARGS__&, const __VA_ARGS__&); \
template __VA_ARGS__ \
emulsionViscosity<__VA_ARGS__>(const __VA_ARGS__&, \
const __VA_ARGS__&, \
const __VA_ARGS__&, \
const __VA_ARGS__&, \
const SICD&);
#define INSTANCE_EVAL(Dim) \
INSTANCE_IMPL(DenseAd::Evaluation<double,Dim>)
INSTANCE_EVAL(3)
INSTANCE_EVAL(4)
INSTANCE_EVAL(5)
INSTANCE_EVAL(6)
INSTANCE_EVAL(7)
INSTANCE_EVAL(8)
INSTANCE_EVAL(9)
} // namespace mswellhelpers
} // namespace Opm