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Renamed SimulatorTwophase -> SimulatorIncompTwophase.

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Atgeirr Flø Rasmussen 2012-08-20 15:45:05 +02:00
parent 4cd2d53029
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442
opm/simulators/SimulatorIncompTwophase.cpp Normal file
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/*
Copyright 2012 SINTEF ICT, Applied Mathematics.
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/>.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include <opm/core/simulator/SimulatorIncompTwophase.hpp>
#include <opm/core/utility/parameters/ParameterGroup.hpp>
#include <opm/core/utility/ErrorMacros.hpp>
#include <opm/core/pressure/IncompTpfa.hpp>
#include <opm/core/grid.h>
#include <opm/core/newwells.h>
#include <opm/core/pressure/flow_bc.h>
#include <opm/core/simulator/SimulatorReport.hpp>
#include <opm/core/simulator/SimulatorTimer.hpp>
#include <opm/core/utility/StopWatch.hpp>
#include <opm/core/utility/writeVtkData.hpp>
#include <opm/core/utility/miscUtilities.hpp>
#include <opm/core/fluid/IncompPropertiesInterface.hpp>
#include <opm/core/fluid/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/TransportModelTwophase.hpp>
#include <boost/filesystem.hpp>
#include <boost/scoped_ptr.hpp>
#include <boost/lexical_cast.hpp>
#include <numeric>
#include <fstream>
namespace Opm
{
class SimulatorIncompTwophase::Impl
{
public:
Impl(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp,
const Wells* wells,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity);
SimulatorReport run(SimulatorTimer& timer,
TwophaseState& state,
WellState& well_state);
private:
// Data.
// Parameters for output.
bool output_;
bool output_vtk_;
std::string output_dir_;
int output_interval_;
// Parameters for transport solver.
int num_transport_substeps_;
bool use_segregation_split_;
// Observed objects.
const UnstructuredGrid& grid_;
const IncompPropertiesInterface& props_;
const RockCompressibility* rock_comp_;
const Wells* wells_;
const std::vector<double>& src_;
//const FlowBoundaryConditions* bcs_;
//const LinearSolverInterface& linsolver_;
//const double* gravity_;
// Solvers
IncompTpfa psolver_;
TransportModelTwophase tsolver_;
// Needed by column-based gravity segregation solver.
std::vector< std::vector<int> > columns_;
// Misc. data
std::vector<int> allcells_;
};
SimulatorIncompTwophase::SimulatorIncompTwophase(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp,
const Wells* wells,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
{
pimpl_.reset(new Impl(param, grid, props, rock_comp, wells, src, bcs, linsolver, gravity));
}
SimulatorReport SimulatorIncompTwophase::run(SimulatorTimer& timer,
TwophaseState& state,
WellState& well_state)
{
return pimpl_->run(timer, state, well_state);
}
static void outputStateVtk(const UnstructuredGrid& grid,
const Opm::TwophaseState& state,
const int step,
const std::string& output_dir)
{
// Write data in VTK format.
std::ostringstream vtkfilename;
vtkfilename << output_dir << "/vtk_files";
boost::filesystem::path fpath(vtkfilename.str());
try {
create_directories(fpath);
}
catch (...) {
THROW("Creating directories failed: " << fpath);
}
vtkfilename << "/" << std::setw(3) << std::setfill('0') << step << ".vtu";
std::ofstream vtkfile(vtkfilename.str().c_str());
if (!vtkfile) {
THROW("Failed to open " << vtkfilename.str());
}
Opm::DataMap dm;
dm["saturation"] = &state.saturation();
dm["pressure"] = &state.pressure();
std::vector<double> cell_velocity;
Opm::estimateCellVelocity(grid, state.faceflux(), cell_velocity);
dm["velocity"] = &cell_velocity;
Opm::writeVtkData(grid, dm, vtkfile);
}
static void outputStateMatlab(const UnstructuredGrid& grid,
const Opm::TwophaseState& state,
const int step,
const std::string& output_dir)
{
Opm::DataMap dm;
dm["saturation"] = &state.saturation();
dm["pressure"] = &state.pressure();
std::vector<double> cell_velocity;
Opm::estimateCellVelocity(grid, state.faceflux(), cell_velocity);
dm["velocity"] = &cell_velocity;
// Write data (not grid) in Matlab format
for (Opm::DataMap::const_iterator it = dm.begin(); it != dm.end(); ++it) {
std::ostringstream fname;
fname << output_dir << "/" << it->first;
boost::filesystem::path fpath = fname.str();
try {
create_directories(fpath);
}
catch (...) {
THROW("Creating directories failed: " << fpath);
}
fname << "/" << std::setw(3) << std::setfill('0') << step << ".txt";
std::ofstream file(fname.str().c_str());
if (!file) {
THROW("Failed to open " << fname.str());
}
const std::vector<double>& d = *(it->second);
std::copy(d.begin(), d.end(), std::ostream_iterator<double>(file, "\n"));
}
}
static void outputWaterCut(const Opm::Watercut& watercut,
const std::string& output_dir)
{
// Write water cut curve.
std::string fname = output_dir + "/watercut.txt";
std::ofstream os(fname.c_str());
if (!os) {
THROW("Failed to open " << fname);
}
watercut.write(os);
}
static void outputWellReport(const Opm::WellReport& wellreport,
const std::string& output_dir)
{
// Write well report.
std::string fname = output_dir + "/wellreport.txt";
std::ofstream os(fname.c_str());
if (!os) {
THROW("Failed to open " << fname);
}
wellreport.write(os);
}
SimulatorIncompTwophase::Impl::Impl(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp,
const Wells* wells,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity)
: grid_(grid),
props_(props),
rock_comp_(rock_comp),
wells_(wells),
src_(src),
//bcs_(bcs),
//linsolver_(linsolver),
//gravity_(gravity),
psolver_(grid, props, rock_comp, linsolver,
param.getDefault("nl_pressure_residual_tolerance", 0.0),
param.getDefault("nl_pressure_change_tolerance", 1.0),
param.getDefault("nl_pressure_maxiter", 10),
gravity, wells, src, bcs),
tsolver_(grid, props,
param.getDefault("nl_tolerance", 1e-9),
param.getDefault("nl_maxiter", 30))
{
// For output.
output_ = param.getDefault("output", true);
if (output_) {
output_vtk_ = param.getDefault("output_vtk", true);
output_dir_ = param.getDefault("output_dir", std::string("output"));
// Ensure that output dir exists
boost::filesystem::path fpath(output_dir_);
try {
create_directories(fpath);
}
catch (...) {
THROW("Creating directories failed: " << fpath);
}
output_interval_ = param.getDefault("output_interval", 1);
}
// 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;
allcells_.resize(num_cells);
for (int cell = 0; cell < num_cells; ++cell) {
allcells_[cell] = cell;
}
}
SimulatorReport SimulatorIncompTwophase::Impl::run(SimulatorTimer& timer,
TwophaseState& state,
WellState& well_state)
{
std::vector<double> transport_src;
// Initialisation.
std::vector<double> porevol;
if (rock_comp_ && rock_comp_->isActive()) {
computePorevolume(grid_, props_.porosity(), *rock_comp_, state.pressure(), porevol);
} else {
computePorevolume(grid_, props_.porosity(), porevol);
}
const double tot_porevol_init = std::accumulate(porevol.begin(), porevol.end(), 0.0);
// Main simulation loop.
Opm::time::StopWatch pressure_timer;
double ptime = 0.0;
Opm::time::StopWatch transport_timer;
double ttime = 0.0;
Opm::time::StopWatch total_timer;
total_timer.start();
double init_satvol[2] = { 0.0 };
double satvol[2] = { 0.0 };
double injected[2] = { 0.0 };
double produced[2] = { 0.0 };
double tot_injected[2] = { 0.0 };
double tot_produced[2] = { 0.0 };
Opm::computeSaturatedVol(porevol, state.saturation(), init_satvol);
std::cout << "\nInitial saturations are " << init_satvol[0]/tot_porevol_init
<< " " << init_satvol[1]/tot_porevol_init << std::endl;
Opm::Watercut watercut;
watercut.push(0.0, 0.0, 0.0);
Opm::WellReport wellreport;
std::vector<double> fractional_flows;
std::vector<double> well_resflows_phase;
if (wells_) {
well_resflows_phase.resize((wells_->number_of_phases)*(wells_->number_of_wells), 0.0);
wellreport.push(props_, *wells_, state.saturation(), 0.0, well_state.bhp(), well_state.perfRates());
}
for (; !timer.done(); ++timer) {
// Report timestep and (optionally) write state to disk.
timer.report(std::cout);
if (output_ && (timer.currentStepNum() % output_interval_ == 0)) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
}
// Solve pressure.
do {
pressure_timer.start();
psolver_.solve(timer.currentStepLength(), state, well_state);
pressure_timer.stop();
double pt = pressure_timer.secsSinceStart();
std::cout << "Pressure solver took: " << pt << " seconds." << std::endl;
ptime += pt;
} while (false);
// Update pore volumes if rock is compressible.
if (rock_comp_ && rock_comp_->isActive()) {
computePorevolume(grid_, props_.porosity(), *rock_comp_, state.pressure(), porevol);
}
// Process transport sources (to include bdy terms and well flows).
Opm::computeTransportSource(grid_, src_, state.faceflux(), 1.0,
wells_, well_state.perfRates(), transport_src);
// Solve transport.
transport_timer.start();
double stepsize = timer.currentStepLength();
if (num_transport_substeps_ != 1) {
stepsize /= double(num_transport_substeps_);
std::cout << "Making " << num_transport_substeps_ << " transport substeps." << std::endl;
}
for (int tr_substep = 0; tr_substep < num_transport_substeps_; ++tr_substep) {
tsolver_.solve(&state.faceflux()[0], &porevol[0], &transport_src[0],
stepsize, state.saturation());
Opm::computeInjectedProduced(props_, state.saturation(), transport_src, stepsize, injected, produced);
if (use_segregation_split_) {
tsolver_.solveGravity(columns_, &porevol[0], stepsize, state.saturation());
}
}
transport_timer.stop();
double tt = transport_timer.secsSinceStart();
std::cout << "Transport solver took: " << tt << " seconds." << std::endl;
ttime += tt;
// Report volume balances.
Opm::computeSaturatedVol(porevol, state.saturation(), satvol);
tot_injected[0] += injected[0];
tot_injected[1] += injected[1];
tot_produced[0] += produced[0];
tot_produced[1] += produced[1];
std::cout.precision(5);
const int width = 18;
std::cout << "\nVolume balance report (all numbers relative to total pore volume).\n";
std::cout << " Saturated volumes: "
<< std::setw(width) << satvol[0]/tot_porevol_init
<< std::setw(width) << satvol[1]/tot_porevol_init << std::endl;
std::cout << " Injected volumes: "
<< std::setw(width) << injected[0]/tot_porevol_init
<< std::setw(width) << injected[1]/tot_porevol_init << std::endl;
std::cout << " Produced volumes: "
<< std::setw(width) << produced[0]/tot_porevol_init
<< std::setw(width) << produced[1]/tot_porevol_init << std::endl;
std::cout << " Total inj volumes: "
<< std::setw(width) << tot_injected[0]/tot_porevol_init
<< std::setw(width) << tot_injected[1]/tot_porevol_init << std::endl;
std::cout << " Total prod volumes: "
<< std::setw(width) << tot_produced[0]/tot_porevol_init
<< std::setw(width) << tot_produced[1]/tot_porevol_init << std::endl;
std::cout << " In-place + prod - inj: "
<< std::setw(width) << (satvol[0] + tot_produced[0] - tot_injected[0])/tot_porevol_init
<< std::setw(width) << (satvol[1] + tot_produced[1] - tot_injected[1])/tot_porevol_init << std::endl;
std::cout << " Init - now - pr + inj: "
<< std::setw(width) << (init_satvol[0] - satvol[0] - tot_produced[0] + tot_injected[0])/tot_porevol_init
<< std::setw(width) << (init_satvol[1] - satvol[1] - tot_produced[1] + tot_injected[1])/tot_porevol_init
<< std::endl;
std::cout.precision(8);
watercut.push(timer.currentTime() + timer.currentStepLength(),
produced[0]/(produced[0] + produced[1]),
tot_produced[0]/tot_porevol_init);
if (wells_) {
wellreport.push(props_, *wells_, state.saturation(),
timer.currentTime() + timer.currentStepLength(),
well_state.bhp(), well_state.perfRates());
}
}
if (output_) {
if (output_vtk_) {
outputStateVtk(grid_, state, timer.currentStepNum(), output_dir_);
}
outputStateMatlab(grid_, state, timer.currentStepNum(), output_dir_);
outputWaterCut(watercut, output_dir_);
if (wells_) {
outputWellReport(wellreport, output_dir_);
}
}
total_timer.stop();
SimulatorReport report;
report.pressure_time = ptime;
report.transport_time = ttime;
report.total_time = total_timer.secsSinceStart();
return report;
}
} // namespace Opm

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opm/simulators/SimulatorIncompTwophase.hpp Normal file
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/*
Copyright 2012 SINTEF ICT, Applied Mathematics.
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/>.
*/
#ifndef OPM_SIMULATORINCOMPTWOPHASE_HEADER_INCLUDED
#define OPM_SIMULATORINCOMPTWOPHASE_HEADER_INCLUDED
#include <boost/shared_ptr.hpp>
#include <vector>
struct UnstructuredGrid;
struct Wells;
struct FlowBoundaryConditions;
namespace Opm
{
namespace parameter { class ParameterGroup; }
class IncompPropertiesInterface;
class RockCompressibility;
class LinearSolverInterface;
class SimulatorTimer;
class TwophaseState;
class WellState;
struct SimulatorReport;
/// Class collecting all necessary components for a two-phase simulation.
class SimulatorIncompTwophase
{
public:
/// Initialise from parameters and objects to observe.
/// \param[in] param parameters, this class accepts the following:
/// parameter (default) effect
/// -----------------------------------------------------------
/// output (true) write output to files?
/// output_dir ("output") output directoty
/// output_interval (1) output every nth step
/// nl_pressure_residual_tolerance (0.0) pressure solver residual tolerance (in Pascal)
/// nl_pressure_change_tolerance (1.0) pressure solver change tolerance (in Pascal)
/// nl_pressure_maxiter (10) max nonlinear iterations in pressure
/// nl_maxiter (30) max nonlinear iterations in transport
/// nl_tolerance (1e-9) transport solver absolute residual tolerance
/// num_transport_substeps (1) number of transport steps per pressure step
/// use_segregation_split (false) solve for gravity segregation (if false,
/// segregation is ignored).
///
/// \param[in] grid grid data structure
/// \param[in] props fluid and rock properties
/// \param[in] rock_comp if non-null, rock compressibility properties
/// \param[in] wells if non-null, wells data structure
/// \param[in] src source terms
/// \param[in] bcs boundary conditions, treat as all noflow if null
/// \param[in] linsolver linear solver
/// \param[in] gravity if non-null, gravity vector
SimulatorIncompTwophase(const parameter::ParameterGroup& param,
const UnstructuredGrid& grid,
const IncompPropertiesInterface& props,
const RockCompressibility* rock_comp,
const Wells* wells,
const std::vector<double>& src,
const FlowBoundaryConditions* bcs,
LinearSolverInterface& linsolver,
const double* gravity);
/// Run the simulation.
/// This will run succesive timesteps until timer.done() is true. It will
/// modify the reservoir and well states.
/// \param[in,out] timer governs the requested reporting timesteps
/// \param[in,out] state state of reservoir: pressure, fluxes
/// \param[in,out] well_state state of wells: bhp, perforation rates
/// \return simulation report, with timing data
SimulatorReport run(SimulatorTimer& timer,
TwophaseState& state,
WellState& well_state);
private:
class Impl;
// Using shared_ptr instead of scoped_ptr since scoped_ptr requires complete type for Impl.
boost::shared_ptr<Impl> pimpl_;
};
} // namespace Opm
#endif // OPM_SIMULATORTWOPHASE_HEADER_INCLUDED