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2b292108ad
Another polymer-specific overload of computeFractionalFlow() has been added in support of this (this overload deals with compressible properties. Also added pressure normalization for situations with arbitrary absolute pressure.
348 lines
15 KiB
C++
348 lines
15 KiB
C++
/*
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG_H
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#include <opm/core/pressure/FlowBCManager.hpp>
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#include <opm/core/grid.h>
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#include <opm/core/GridManager.hpp>
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#include <opm/core/newwells.h>
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#include <opm/core/wells/WellsManager.hpp>
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#include <opm/core/utility/ErrorMacros.hpp>
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#include <opm/core/utility/initState.hpp>
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#include <opm/core/simulator/SimulatorReport.hpp>
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#include <opm/core/simulator/SimulatorTimer.hpp>
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#include <opm/core/utility/miscUtilities.hpp>
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#include <opm/core/utility/parameters/ParameterGroup.hpp>
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#include <opm/core/fluid/BlackoilPropertiesBasic.hpp>
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#include <opm/core/fluid/BlackoilPropertiesFromDeck.hpp>
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#include <opm/core/fluid/RockCompressibility.hpp>
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#include <opm/core/linalg/LinearSolverFactory.hpp>
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#include <opm/polymer/PolymerBlackoilState.hpp>
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#include <opm/core/simulator/WellState.hpp>
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#include <opm/polymer/SimulatorCompressiblePolymer.hpp>
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#include <opm/polymer/PolymerInflow.hpp>
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#include <opm/polymer/PolymerProperties.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/filesystem.hpp>
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#include <algorithm>
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#include <iostream>
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#include <vector>
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#include <numeric>
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namespace
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{
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void warnIfUnusedParams(const Opm::parameter::ParameterGroup& param)
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{
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if (param.anyUnused()) {
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std::cout << "-------------------- Unused parameters: --------------------\n";
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param.displayUsage();
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std::cout << "----------------------------------------------------------------" << std::endl;
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}
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}
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} // anon namespace
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// ----------------- Main program -----------------
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int
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main(int argc, char** argv)
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{
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using namespace Opm;
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std::cout << "\n================ Test program for weakly compressible two-phase flow with polymer ===============\n\n";
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parameter::ParameterGroup param(argc, argv, false);
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std::cout << "--------------- Reading parameters ---------------" << std::endl;
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// If we have a "deck_filename", grid and props will be read from that.
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bool use_deck = param.has("deck_filename");
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boost::scoped_ptr<EclipseGridParser> deck;
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boost::scoped_ptr<GridManager> grid;
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boost::scoped_ptr<BlackoilPropertiesInterface> props;
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boost::scoped_ptr<RockCompressibility> rock_comp;
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PolymerBlackoilState state;
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Opm::PolymerProperties poly_props;
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// bool check_well_controls = false;
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// int max_well_control_iterations = 0;
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double gravity[3] = { 0.0 };
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if (use_deck) {
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std::string deck_filename = param.get<std::string>("deck_filename");
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deck.reset(new EclipseGridParser(deck_filename));
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// Grid init
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grid.reset(new GridManager(*deck));
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// Rock and fluid init
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props.reset(new BlackoilPropertiesFromDeck(*deck, *grid->c_grid()));
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// check_well_controls = param.getDefault("check_well_controls", false);
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// max_well_control_iterations = param.getDefault("max_well_control_iterations", 10);
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// Rock compressibility.
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rock_comp.reset(new RockCompressibility(*deck));
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// Gravity.
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gravity[2] = deck->hasField("NOGRAV") ? 0.0 : unit::gravity;
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// Init state variables (saturation and pressure).
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if (param.has("init_saturation")) {
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initStateBasic(*grid->c_grid(), *props, param, gravity[2], state);
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} else {
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initStateFromDeck(*grid->c_grid(), *props, *deck, gravity[2], state);
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}
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initBlackoilSurfvol(*grid->c_grid(), *props, state);
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// Init polymer properties.
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poly_props.readFromDeck(*deck);
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} else {
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// Grid init.
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const int nx = param.getDefault("nx", 100);
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const int ny = param.getDefault("ny", 100);
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const int nz = param.getDefault("nz", 1);
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const double dx = param.getDefault("dx", 1.0);
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const double dy = param.getDefault("dy", 1.0);
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const double dz = param.getDefault("dz", 1.0);
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grid.reset(new GridManager(nx, ny, nz, dx, dy, dz));
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// Rock and fluid init.
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props.reset(new BlackoilPropertiesBasic(param, grid->c_grid()->dimensions, grid->c_grid()->number_of_cells));
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// Rock compressibility.
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rock_comp.reset(new RockCompressibility(param));
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// Gravity.
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gravity[2] = param.getDefault("gravity", 0.0);
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// Init state variables (saturation and pressure).
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initStateBasic(*grid->c_grid(), *props, param, gravity[2], state);
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initBlackoilSurfvol(*grid->c_grid(), *props, state);
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// Init Polymer state
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if (param.has("poly_init")) {
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double poly_init = param.getDefault("poly_init", 0.0);
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for (int cell = 0; cell < grid->c_grid()->number_of_cells; ++cell) {
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double smin[2], smax[2];
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props->satRange(1, &cell, smin, smax);
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if (state.saturation()[2*cell] > 0.5*(smin[0] + smax[0])) {
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state.concentration()[cell] = poly_init;
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state.maxconcentration()[cell] = poly_init;
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} else {
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state.saturation()[2*cell + 0] = 0.;
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state.saturation()[2*cell + 1] = 1.;
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state.concentration()[cell] = 0.;
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state.maxconcentration()[cell] = 0.;
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}
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}
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}
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// Init polymer properties.
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// Setting defaults to provide a simple example case.
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double c_max = param.getDefault("c_max_limit", 5.0);
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double mix_param = param.getDefault("mix_param", 1.0);
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double rock_density = param.getDefault("rock_density", 1000.0);
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double dead_pore_vol = param.getDefault("dead_pore_vol", 0.15);
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double res_factor = param.getDefault("res_factor", 1.) ; // res_factor = 1 gives no change in permeability
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double c_max_ads = param.getDefault("c_max_ads", 1.);
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int ads_index = param.getDefault<int>("ads_index", Opm::PolymerProperties::NoDesorption);
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std::vector<double> c_vals_visc(2, -1e100);
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c_vals_visc[0] = 0.0;
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c_vals_visc[1] = 7.0;
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std::vector<double> visc_mult_vals(2, -1e100);
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visc_mult_vals[0] = 1.0;
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// poly_props.visc_mult_vals[1] = param.getDefault("c_max_viscmult", 30.0);
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visc_mult_vals[1] = 20.0;
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std::vector<double> c_vals_ads(3, -1e100);
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c_vals_ads[0] = 0.0;
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c_vals_ads[1] = 2.0;
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c_vals_ads[2] = 8.0;
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std::vector<double> ads_vals(3, -1e100);
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ads_vals[0] = 0.0;
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ads_vals[1] = 0.0015;
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ads_vals[2] = 0.0025;
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// ads_vals[1] = 0.0;
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// ads_vals[2] = 0.0;
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poly_props.set(c_max, mix_param, rock_density, dead_pore_vol, res_factor, c_max_ads,
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static_cast<Opm::PolymerProperties::AdsorptionBehaviour>(ads_index),
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c_vals_visc, visc_mult_vals, c_vals_ads, ads_vals);
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}
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bool use_gravity = (gravity[0] != 0.0 || gravity[1] != 0.0 || gravity[2] != 0.0);
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const double *grav = use_gravity ? &gravity[0] : 0;
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// Initialising src
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int num_cells = grid->c_grid()->number_of_cells;
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std::vector<double> src(num_cells, 0.0);
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if (use_deck) {
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// Do nothing, wells will be the driving force, not source terms.
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} else {
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// Compute pore volumes, in order to enable specifying injection rate
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// terms of total pore volume.
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std::vector<double> porevol;
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if (rock_comp->isActive()) {
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computePorevolume(*grid->c_grid(), props->porosity(), *rock_comp, state.pressure(), porevol);
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} else {
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computePorevolume(*grid->c_grid(), props->porosity(), porevol);
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}
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const double tot_porevol_init = std::accumulate(porevol.begin(), porevol.end(), 0.0);
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const double default_injection = use_gravity ? 0.0 : 0.1;
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const double flow_per_sec = param.getDefault<double>("injected_porevolumes_per_day", default_injection)
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*tot_porevol_init/unit::day;
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src[0] = flow_per_sec;
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src[num_cells - 1] = -flow_per_sec;
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}
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// Boundary conditions.
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FlowBCManager bcs;
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if (param.getDefault("use_pside", false)) {
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int pside = param.get<int>("pside");
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double pside_pressure = param.get<double>("pside_pressure");
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bcs.pressureSide(*grid->c_grid(), FlowBCManager::Side(pside), pside_pressure);
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}
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// Linear solver.
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LinearSolverFactory linsolver(param);
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// Write parameters used for later reference.
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bool output = param.getDefault("output", true);
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if (output) {
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std::string output_dir =
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param.getDefault("output_dir", std::string("output"));
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boost::filesystem::path fpath(output_dir);
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try {
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create_directories(fpath);
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}
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catch (...) {
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THROW("Creating directories failed: " << fpath);
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}
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param.writeParam(output_dir + "/simulation.param");
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}
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std::cout << "\n\n================ Starting main simulation loop ===============\n"
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<< " (number of epochs: "
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<< (use_deck ? deck->numberOfEpochs() : 1) << ")\n\n" << std::flush;
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SimulatorReport rep;
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if (!use_deck) {
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// Simple simulation without a deck.
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PolymerInflowBasic polymer_inflow(param.getDefault("poly_start_days", 300.0)*Opm::unit::day,
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param.getDefault("poly_end_days", 800.0)*Opm::unit::day,
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param.getDefault("poly_amount", poly_props.cMax()));
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WellsManager wells;
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SimulatorCompressiblePolymer simulator(param,
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*grid->c_grid(),
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*props,
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poly_props,
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rock_comp->isActive() ? rock_comp.get() : 0,
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wells,
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polymer_inflow,
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src,
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bcs.c_bcs(),
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linsolver,
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grav);
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SimulatorTimer simtimer;
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simtimer.init(param);
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warnIfUnusedParams(param);
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WellState well_state;
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well_state.init(0, state);
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rep = simulator.run(simtimer, state, well_state);
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} else {
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// With a deck, we may have more epochs etc.
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WellState well_state;
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int step = 0;
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SimulatorTimer simtimer;
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// Use timer for last epoch to obtain total time.
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deck->setCurrentEpoch(deck->numberOfEpochs() - 1);
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simtimer.init(*deck);
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const double total_time = simtimer.totalTime();
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// Check for WPOLYMER presence in last epoch to decide
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// polymer injection control type.
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const bool use_wpolymer = deck->hasField("WPOLYMER");
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if (use_wpolymer) {
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if (param.has("poly_start_days")) {
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MESSAGE("Warning: Using WPOLYMER to control injection since it was found in deck. "
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"You seem to be trying to control it via parameter poly_start_days (etc.) as well.");
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}
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}
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for (int epoch = 0; epoch < deck->numberOfEpochs(); ++epoch) {
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// Set epoch index.
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deck->setCurrentEpoch(epoch);
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// Update the timer.
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if (deck->hasField("TSTEP")) {
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simtimer.init(*deck);
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} else {
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if (epoch != 0) {
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THROW("No TSTEP in deck for epoch " << epoch);
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}
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simtimer.init(param);
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}
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simtimer.setCurrentStepNum(step);
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simtimer.setTotalTime(total_time);
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// Report on start of epoch.
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std::cout << "\n\n-------------- Starting epoch " << epoch << " --------------"
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<< "\n (number of steps: "
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<< simtimer.numSteps() - step << ")\n\n" << std::flush;
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// Create new wells, polymer inflow controls.
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WellsManager wells(*deck, *grid->c_grid(), props->permeability());
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boost::scoped_ptr<PolymerInflowInterface> polymer_inflow;
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if (use_wpolymer) {
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if (wells.c_wells() == 0) {
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THROW("Cannot control polymer injection via WPOLYMER without wells.");
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}
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polymer_inflow.reset(new PolymerInflowFromDeck(*deck, *wells.c_wells(), props->numCells()));
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} else {
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polymer_inflow.reset(new PolymerInflowBasic(param.getDefault("poly_start_days", 300.0)*Opm::unit::day,
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param.getDefault("poly_end_days", 800.0)*Opm::unit::day,
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param.getDefault("poly_amount", poly_props.cMax())));
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}
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// @@@ HACK: we should really make a new well state and
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// properly transfer old well state to it every epoch,
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// since number of wells may change etc.
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if (epoch == 0) {
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well_state.init(wells.c_wells(), state);
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}
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// Create and run simulator.
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SimulatorCompressiblePolymer simulator(param,
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*grid->c_grid(),
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*props,
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poly_props,
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rock_comp->isActive() ? rock_comp.get() : 0,
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wells,
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*polymer_inflow,
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src,
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bcs.c_bcs(),
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linsolver,
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grav);
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if (epoch == 0) {
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warnIfUnusedParams(param);
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}
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SimulatorReport epoch_rep = simulator.run(simtimer, state, well_state);
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// Update total timing report and remember step number.
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rep += epoch_rep;
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step = simtimer.currentStepNum();
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}
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}
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std::cout << "\n\n================ End of simulation ===============\n\n";
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rep.report(std::cout);
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}
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