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2f14ed70c4
Using surface volume for injection rather than reservoir volume. Chase change in class TransportModelCompressiblePolymer and function computeInjectedProduced(). Also changed interface to computeInjectedProduced() to take state rather than individual state variables.
340 lines
15 KiB
C++
340 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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#include <opm/polymer/polymerUtilities.hpp>
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#include <opm/core/utility/miscUtilities.hpp>
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namespace Opm
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{
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/// @brief Computes total mobility for a set of s/c values.
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/// @param[in] props rock and fluid properties
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/// @param[in] polyprops polymer properties
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/// @param[in] cells cells with which the saturation values are associated
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/// @param[in] s saturation values (for all phases)
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/// @param[in] c polymer concentration
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/// @param[out] totmob total mobilities.
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void computeTotalMobility(const Opm::IncompPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const std::vector<int>& cells,
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const std::vector<double>& s,
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const std::vector<double>& c,
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const std::vector<double>& cmax,
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std::vector<double>& totmob)
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{
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int num_cells = cells.size();
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totmob.resize(num_cells);
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std::vector<double> kr(2*num_cells);
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props.relperm(num_cells, &s[0], &cells[0], &kr[0], 0);
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const double* visc = props.viscosity();
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for (int cell = 0; cell < num_cells; ++cell) {
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double* kr_cell = &kr[2*cell];
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polyprops.effectiveTotalMobility(c[cell], cmax[cell], visc, kr_cell,
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totmob[cell]);
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}
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}
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/// @brief Computes total mobility and omega for a set of s/c values.
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/// @param[in] props rock and fluid properties
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/// @param[in] polyprops polymer properties
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/// @param[in] cells cells with which the saturation values are associated
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/// @param[in] s saturation values (for all phases)
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/// @param[in] c polymer concentration
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/// @param[out] totmob total mobility
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/// @param[out] omega mobility-weighted (or fractional-flow weighted)
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/// fluid densities.
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void computeTotalMobilityOmega(const Opm::IncompPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const std::vector<int>& cells,
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const std::vector<double>& s,
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const std::vector<double>& c,
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const std::vector<double>& cmax,
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std::vector<double>& totmob,
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std::vector<double>& omega)
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{
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int num_cells = cells.size();
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int num_phases = props.numPhases();
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totmob.resize(num_cells);
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omega.resize(num_cells);
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ASSERT(int(s.size()) == num_cells*num_phases);
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std::vector<double> kr(num_cells*num_phases);
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props.relperm(num_cells, &s[0], &cells[0], &kr[0], 0);
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const double* visc = props.viscosity();
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const double* rho = props.density();
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double mob[2]; // here we assume num_phases=2
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for (int cell = 0; cell < num_cells; ++cell) {
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double* kr_cell = &kr[2*cell];
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polyprops.effectiveMobilities(c[cell], cmax[cell], visc, kr_cell,
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mob);
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totmob[cell] = mob[0] + mob[1];
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omega[cell] = rho[0]*mob[0]/totmob[cell] + rho[1]*mob[1]/totmob[cell];
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}
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}
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/// @brief Computes injected and produced volumes of all phases,
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/// and injected and produced polymer mass.
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/// Note 1: assumes that only the first phase is injected.
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/// Note 2: assumes that transport has been done with an
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/// implicit method, i.e. that the current state
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/// gives the mobilities used for the preceding timestep.
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/// @param[in] props fluid and rock properties.
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/// @param[in] polyprops polymer properties
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/// @param[in] state state variables (pressure, fluxes etc.)
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/// @param[in] src if < 0: total reservoir volume outflow,
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/// if > 0: first phase reservoir volume inflow.
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/// @param[in] inj_c injected concentration by cell
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/// @param[in] dt timestep used
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/// @param[out] injected must point to a valid array with P elements,
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/// where P = s.size()/src.size().
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/// @param[out] produced must also point to a valid array with P elements.
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/// @param[out] polyinj injected mass of polymer
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/// @param[out] polyprod produced mass of polymer
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void computeInjectedProduced(const IncompPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const PolymerState& state,
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const std::vector<double>& transport_src,
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const std::vector<double>& inj_c,
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const double dt,
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double* injected,
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double* produced,
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double& polyinj,
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double& polyprod)
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{
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const int num_cells = transport_src.size();
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if (props.numCells() != num_cells) {
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THROW("Size of transport_src vector does not match number of cells in props.");
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}
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const int np = props.numPhases();
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if (int(state.saturation().size()) != num_cells*np) {
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THROW("Sizes of state vectors do not match number of cells.");
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}
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const std::vector<double>& s = state.saturation();
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const std::vector<double>& c = state.concentration();
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const std::vector<double>& cmax = state.maxconcentration();
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std::fill(injected, injected + np, 0.0);
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std::fill(produced, produced + np, 0.0);
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polyinj = 0.0;
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polyprod = 0.0;
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const double* visc = props.viscosity();
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std::vector<double> kr_cell(np);
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double mob[2];
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double mc;
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for (int cell = 0; cell < num_cells; ++cell) {
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if (transport_src[cell] > 0.0) {
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injected[0] += transport_src[cell]*dt;
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polyinj += transport_src[cell]*dt*inj_c[cell];
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} else if (transport_src[cell] < 0.0) {
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const double flux = -transport_src[cell]*dt;
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const double* sat = &s[np*cell];
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props.relperm(1, sat, &cell, &kr_cell[0], 0);
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polyprops.effectiveMobilities(c[cell], cmax[cell], visc,
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&kr_cell[0], mob);
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double totmob = mob[0] + mob[1];
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for (int p = 0; p < np; ++p) {
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produced[p] += (mob[p]/totmob)*flux;
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}
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polyprops.computeMc(c[cell], mc);
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polyprod += (mob[0]/totmob)*flux*mc;
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}
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}
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}
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/// @brief Computes injected and produced volumes of all phases,
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/// and injected and produced polymer mass - in the compressible case.
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/// Note 1: assumes that only the first phase is injected.
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/// Note 2: assumes that transport has been done with an
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/// implicit method, i.e. that the current state
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/// gives the mobilities used for the preceding timestep.
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/// @param[in] props fluid and rock properties.
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/// @param[in] polyprops polymer properties
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/// @param[in] state state variables (pressure, fluxes etc.)
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/// @param[in] transport_src if < 0: total reservoir volume outflow,
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/// if > 0: first phase *surface volume* inflow.
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/// @param[in] inj_c injected concentration by cell
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/// @param[in] dt timestep used
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/// @param[out] injected must point to a valid array with P elements,
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/// where P = s.size()/transport_src.size().
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/// @param[out] produced must also point to a valid array with P elements.
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/// @param[out] polyinj injected mass of polymer
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/// @param[out] polyprod produced mass of polymer
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void computeInjectedProduced(const BlackoilPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const PolymerBlackoilState& state,
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const std::vector<double>& transport_src,
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const std::vector<double>& inj_c,
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const double dt,
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double* injected,
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double* produced,
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double& polyinj,
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double& polyprod)
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{
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const int num_cells = transport_src.size();
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if (props.numCells() != num_cells) {
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THROW("Size of transport_src vector does not match number of cells in props.");
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}
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const int np = props.numPhases();
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if (int(state.saturation().size()) != num_cells*np) {
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THROW("Sizes of state vectors do not match number of cells.");
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}
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const std::vector<double>& press = state.pressure();
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const std::vector<double>& s = state.saturation();
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const std::vector<double>& z = state.surfacevol();
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const std::vector<double>& c = state.concentration();
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const std::vector<double>& cmax = state.maxconcentration();
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std::fill(injected, injected + np, 0.0);
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std::fill(produced, produced + np, 0.0);
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polyinj = 0.0;
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polyprod = 0.0;
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std::vector<double> visc(np);
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std::vector<double> kr_cell(np);
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std::vector<double> mob(np);
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std::vector<double> A(np*np);
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std::vector<double> prod_resv_phase(np);
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std::vector<double> prod_surfvol(np);
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double mc;
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for (int cell = 0; cell < num_cells; ++cell) {
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if (transport_src[cell] > 0.0) {
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// Inflowing transport source is a surface volume flux
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// for the first phase.
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injected[0] += transport_src[cell]*dt;
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polyinj += transport_src[cell]*dt*inj_c[cell];
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} else if (transport_src[cell] < 0.0) {
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// Outflowing transport source is a total reservoir
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// volume flux.
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const double flux = -transport_src[cell]*dt;
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const double* sat = &s[np*cell];
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props.relperm(1, sat, &cell, &kr_cell[0], 0);
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props.viscosity(1, &press[cell], &z[np*cell], &cell, &visc[0], 0);
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props.matrix(1, &press[cell], &z[np*cell], &cell, &A[0], 0);
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polyprops.effectiveMobilities(c[cell], cmax[cell], &visc[0],
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&kr_cell[0], &mob[0]);
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double totmob = 0.0;
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for (int p = 0; p < np; ++p) {
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totmob += mob[p];
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}
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std::fill(prod_surfvol.begin(), prod_surfvol.end(), 0.0);
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for (int p = 0; p < np; ++p) {
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prod_resv_phase[p] = (mob[p]/totmob)*flux;
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for (int q = 0; q < np; ++q) {
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prod_surfvol[q] += prod_resv_phase[p]*A[q + np*p];
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}
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}
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for (int p = 0; p < np; ++p) {
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produced[p] += prod_surfvol[p];
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}
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polyprops.computeMc(c[cell], mc);
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polyprod += produced[0]*mc;
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}
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}
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}
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/// @brief Computes total polymer mass over all grid cells.
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/// @param[in] pv the pore volume by cell.
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/// @param[in] s saturation values (for all P phases)
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/// @param[in] c polymer concentration
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/// @param[in] dps dead pore space
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/// @return total polymer mass in grid.
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double computePolymerMass(const std::vector<double>& pv,
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const std::vector<double>& s,
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const std::vector<double>& c,
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const double dps)
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{
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const int num_cells = pv.size();
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const int np = s.size()/pv.size();
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if (int(s.size()) != num_cells*np) {
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THROW("Sizes of s and pv vectors do not match.");
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}
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double polymass = 0.0;
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for (int cell = 0; cell < num_cells; ++cell) {
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polymass += c[cell]*s[np*cell + 0]*pv[cell]*(1 - dps);
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}
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return polymass;
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}
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/// @brief Computes total absorbed polymer mass over all grid cells.
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/// @param[in] props fluid and rock properties.
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/// @param[in] polyprops polymer properties
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/// @param[in] pv the pore volume by cell.
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/// @param[in] cmax max polymer concentration for cell
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/// @return total absorbed polymer mass.
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double computePolymerAdsorbed(const IncompPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const std::vector<double>& pv,
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const std::vector<double>& cmax)
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{
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const int num_cells = pv.size();
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const double rhor = polyprops.rockDensity();
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const double* poro = props.porosity();
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double abs_mass = 0.0;
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for (int cell = 0; cell < num_cells; ++cell) {
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double c_ads;
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polyprops.simpleAdsorption(cmax[cell], c_ads);
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abs_mass += c_ads*pv[cell]*((1.0 - poro[cell])/poro[cell])*rhor;
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}
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return abs_mass;
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}
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/// @brief Computes total absorbed polymer mass over all grid cells.
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/// With compressibility
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/// @param[in] grid grid
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/// @param[in] props fluid and rock properties.
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/// @param[in] polyprops polymer properties
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/// @param[in] state fluid state variable
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/// @param[in] rock_comp rock compressibility (depends on pressure)
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/// @return total absorbed polymer mass.
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double computePolymerAdsorbed(const UnstructuredGrid& grid,
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const BlackoilPropertiesInterface& props,
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const Opm::PolymerProperties& polyprops,
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const PolymerBlackoilState& state,
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const RockCompressibility* rock_comp
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)
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{
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const int num_cells = props.numCells();
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const double rhor = polyprops.rockDensity();
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std::vector<double> porosity;
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if (rock_comp && rock_comp->isActive()) {
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computePorosity(grid, props.porosity(), *rock_comp, state.pressure(), porosity);
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} else {
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porosity.assign(props.porosity(), props.porosity() + num_cells);
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}
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double abs_mass = 0.0;
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const std::vector<double>& cmax = state.maxconcentration();
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for (int cell = 0; cell < num_cells; ++cell) {
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double c_ads;
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polyprops.simpleAdsorption(cmax[cell], c_ads);
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abs_mass += c_ads*grid.cell_volumes[cell]*(1.0 - porosity[cell])*rhor;
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}
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return abs_mass;
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}
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} // namespace Opm
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