Make initGravity() to private, call from constructor.

Also modify interface of solveGravity() to be minimal,
construcing columns for segregations solver at construction time.
This commit is contained in:
Atgeirr Flø Rasmussen 2013-03-15 13:53:37 +01:00
parent aadae49b41
commit b304105b4f
6 changed files with 62 additions and 58 deletions

View File

@ -455,10 +455,9 @@ main(int argc, char** argv)
// Reordering solver.
const double nl_tolerance = param.getDefault("nl_tolerance", 1e-9);
const int nl_maxiter = param.getDefault("nl_maxiter", 30);
Opm::TransportSolverTwophaseReorder reorder_model(*grid->c_grid(), *props, nl_tolerance, nl_maxiter);
if (use_gauss_seidel_gravity) {
reorder_model.initGravity(grav);
}
const double* transport_grav = use_gauss_seidel_gravity ? grav : NULL;
Opm::TransportSolverTwophaseReorder reorder_model(*grid->c_grid(), *props, transport_grav, nl_tolerance, nl_maxiter);
// Non-reordering solver.
TransportModel model (fluid, *grid->c_grid(), porevol, grav, guess_old_solution);
if (use_gravity) {
@ -633,7 +632,7 @@ main(int argc, char** argv)
if (use_segregation_split) {
if (use_column_solver) {
if (use_gauss_seidel_gravity) {
reorder_model.solveGravity(columns, &porevol[0], stepsize, state.saturation());
reorder_model.solveGravity(&porevol[0], stepsize, state);
} else {
colsolver.solve(columns, stepsize, state.saturation());
}

View File

@ -42,7 +42,6 @@
#include <opm/core/props/IncompPropertiesInterface.hpp>
#include <opm/core/props/rock/RockCompressibility.hpp>
#include <opm/core/utility/ColumnExtract.hpp>
#include <opm/core/simulator/TwophaseState.hpp>
#include <opm/core/simulator/WellState.hpp>
#include <opm/core/transport/reorder/TransportSolverTwophaseReorder.hpp>
@ -109,14 +108,14 @@ namespace Opm
SimulatorIncompTwophaseReorder::SimulatorIncompTwophaseReorder(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp_props,
WellsManager& wells_manager,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp_props,
WellsManager& wells_manager,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
{
pimpl_.reset(new Impl(param, grid, props, rock_comp_props, wells_manager, src, bcs, linsolver, gravity));
}
@ -126,8 +125,8 @@ namespace Opm
SimulatorReport SimulatorIncompTwophaseReorder::run(SimulatorTimer& timer,
TwophaseState& state,
WellState& well_state)
TwophaseState& state,
WellState& well_state)
{
return pimpl_->run(timer, state, well_state);
}
@ -310,15 +309,16 @@ namespace Opm
SimulatorIncompTwophaseReorder::Impl::Impl(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp_props,
WellsManager& wells_manager,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
: grid_(grid),
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp_props,
WellsManager& wells_manager,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
: use_segregation_split_(param.getDefault("use_segregation_split", false)),
grid_(grid),
props_(props),
rock_comp_props_(rock_comp_props),
wells_manager_(wells_manager),
@ -330,7 +330,7 @@ namespace Opm
param.getDefault("nl_pressure_change_tolerance", 1.0),
param.getDefault("nl_pressure_maxiter", 10),
gravity, wells_manager.c_wells(), src, bcs),
tsolver_(grid, props,
tsolver_(grid, props, use_segregation_split_ ? gravity : NULL,
param.getDefault("nl_tolerance", 1e-9),
param.getDefault("nl_maxiter", 30))
{
@ -356,11 +356,6 @@ namespace Opm
// Transport related init.
num_transport_substeps_ = param.getDefault("num_transport_substeps", 1);
use_segregation_split_ = param.getDefault("use_segregation_split", false);
if (gravity != 0 && use_segregation_split_){
tsolver_.initGravity(gravity);
extractColumn(grid_, columns_);
}
// Misc init.
const int num_cells = grid.number_of_cells;
@ -533,7 +528,7 @@ namespace Opm
produced[0] += substep_produced[0];
produced[1] += substep_produced[1];
if (use_segregation_split_) {
tsolver_.solveGravity(columns_, &initial_porevol[0], stepsize, state.saturation());
tsolver_.solveGravity(&initial_porevol[0], stepsize, state);
}
watercut.push(timer.currentTime() + timer.currentStepLength(),
produced[0]/(produced[0] + produced[1]),

View File

@ -21,6 +21,7 @@
#include <opm/core/props/IncompPropertiesInterface.hpp>
#include <opm/core/grid.h>
#include <opm/core/transport/reorder/reordersequence.h>
#include <opm/core/utility/ColumnExtract.hpp>
#include <opm/core/utility/RootFinders.hpp>
#include <opm/core/utility/miscUtilities.hpp>
#include <opm/core/pressure/tpfa/trans_tpfa.h>
@ -42,6 +43,7 @@ namespace Opm
TransportSolverTwophaseReorder::TransportSolverTwophaseReorder(const UnstructuredGrid& grid,
const Opm::IncompPropertiesInterface& props,
const double* gravity,
const double tol,
const int maxit)
: grid_(grid),
@ -74,6 +76,10 @@ namespace Opm
cells[i] = i;
}
props.satRange(props.numCells(), &cells[0], &smin_[0], &smax_[0]);
if (gravity) {
initGravity(gravity);
initColumns();
}
}
@ -552,9 +558,16 @@ namespace Opm
void TransportSolverTwophaseReorder::initColumns()
{
extractColumn(grid_, columns_);
}
void TransportSolverTwophaseReorder::solveSingleCellGravity(const std::vector<int>& cells,
const int pos,
const double* gravflux)
const int pos,
const double* gravflux)
{
const int cell = cells[pos];
GravityResidual res(*this, cells, pos, gravflux);
@ -622,10 +635,9 @@ namespace Opm
void TransportSolverTwophaseReorder::solveGravity(const std::vector<std::vector<int> >& columns,
const double* porevolume,
const double dt,
std::vector<double>& saturation)
void TransportSolverTwophaseReorder::solveGravity(const double* porevolume,
const double dt,
TwophaseState& state)
{
// Initialize mobilities.
const int nc = grid_.number_of_cells;
@ -634,7 +646,7 @@ namespace Opm
cells[c] = c;
}
mob_.resize(2*nc);
props_.relperm(cells.size(), &saturation[0], &cells[0], &mob_[0], 0);
props_.relperm(cells.size(), &state.saturation()[0], &cells[0], &mob_[0], 0);
const double* mu = props_.viscosity();
for (int c = 0; c < nc; ++c) {
mob_[2*c] /= mu[0];
@ -644,18 +656,18 @@ namespace Opm
// Set up other variables.
porevolume_ = porevolume;
dt_ = dt;
toWaterSat(saturation, saturation_);
toWaterSat(state.saturation(), saturation_);
// Solve on all columns.
int num_iters = 0;
for (std::vector<std::vector<int> >::size_type i = 0; i < columns.size(); i++) {
for (std::vector<std::vector<int> >::size_type i = 0; i < columns_.size(); i++) {
// std::cout << "==== new column" << std::endl;
num_iters += solveGravityColumn(columns[i]);
num_iters += solveGravityColumn(columns_[i]);
}
std::cout << "Gauss-Seidel column solver average iterations: "
<< double(num_iters)/double(columns.size()) << std::endl;
<< double(num_iters)/double(columns_.size()) << std::endl;
toBothSat(saturation_, saturation);
toBothSat(saturation_, state.saturation());
}
} // namespace Opm

View File

@ -43,6 +43,7 @@ namespace Opm
/// \param[in] maxit Maximum number of non-linear iterations used.
TransportSolverTwophaseReorder(const UnstructuredGrid& grid,
const Opm::IncompPropertiesInterface& props,
const double* gravity,
const double tol,
const int maxit);
@ -60,29 +61,25 @@ namespace Opm
const double dt,
TwophaseState& state);
/// Initialise quantities needed by gravity solver.
/// \param[in] grav gravity vector
void initGravity(const double* grav);
/// Solve for gravity segregation.
/// This uses a column-wise nonlinear Gauss-Seidel approach.
/// It assumes that the input columns contain cells in a single
/// vertical stack, that do not interact with other columns (for
/// gravity segregation.
/// \param[in] columns Vector of cell-columns.
/// It assumes that the grid can be divided into vertical columns
/// that do not interact with each other (for gravity segregation).
/// \param[in] porevolume Array of pore volumes.
/// \param[in] dt Time step.
/// \param[in, out] saturation Phase saturations.
void solveGravity(const std::vector<std::vector<int> >& columns,
const double* porevolume,
/// \param[in, out] state Reservoir state. Calling solveGravity() will read state.faceflux() and
/// read and write state.saturation().
void solveGravity(const double* porevolume,
const double dt,
std::vector<double>& saturation);
TwophaseState& state);
//// Return the number of iterations used by the reordering solver.
//// \return vector of iteration per cell
const std::vector<int>& getReorderIterations() const;
private:
void initGravity(const double* grav);
void initColumns();
virtual void solveSingleCell(const int cell);
virtual void solveMultiCell(const int num_cells, const int* cells);
@ -111,6 +108,7 @@ namespace Opm
std::vector<double> gravflux_;
std::vector<double> mob_;
std::vector<double> s0_;
std::vector<std::vector<int> > columns_;
// Storing the upwind and downwind graphs for experiments.
std::vector<int> ia_upw_;

View File

@ -232,7 +232,7 @@ int main ()
/// \internal [transport solver]
const double tolerance = 1e-9;
const int max_iterations = 30;
Opm::TransportSolverTwophaseReorder transport_solver(grid, props, tolerance, max_iterations);
Opm::TransportSolverTwophaseReorder transport_solver(grid, props, NULL, tolerance, max_iterations);
/// \internal [transport solver]
/// \endinternal

View File

@ -169,7 +169,7 @@ int main ()
/// \internal[transport solver]
const double tolerance = 1e-9;
const int max_iterations = 30;
Opm::TransportSolverTwophaseReorder transport_solver(grid, props, tolerance, max_iterations);
Opm::TransportSolverTwophaseReorder transport_solver(grid, props, NULL, tolerance, max_iterations);
/// \internal[transport solver]
/// \endinternal