258 lines
9.7 KiB
C++
258 lines
9.7 KiB
C++
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/*
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Copyright 2010, 2011, 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/core/fluid/SaturationPropsFromDeck.hpp>
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#include <opm/core/fluid/blackoil/phaseUsageFromDeck.hpp>
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#include <opm/core/utility/buildUniformMonotoneTable.hpp>
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#include <opm/core/utility/ErrorMacros.hpp>
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#include <iostream>
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namespace Opm
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{
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/// Default constructor.
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SaturationPropsFromDeck::SaturationPropsFromDeck()
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{
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}
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/// Initialize from deck.
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void SaturationPropsFromDeck::init(const Dune::EclipseGridParser& deck)
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{
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phase_usage_ = phaseUsageFromDeck(deck);
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// Extract input data.
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// Oil phase should be active.
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if (!phase_usage_.phase_used[Liquid]) {
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THROW("SaturationPropsFromDeck::init() -- oil phase must be active.");
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}
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const int samples = 200;
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if (phase_usage_.phase_used[Aqua]) {
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const Dune::SWOF::table_t& swof_table = deck.getSWOF().swof_;
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if (swof_table.size() != 1) {
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THROW("We must have exactly one SWOF table.");
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}
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const std::vector<double>& sw = swof_table[0][0];
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const std::vector<double>& krw = swof_table[0][1];
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const std::vector<double>& krow = swof_table[0][2];
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const std::vector<double>& pcow = swof_table[0][3];
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buildUniformMonotoneTable(sw, krw, samples, krw_);
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buildUniformMonotoneTable(sw, krow, samples, krow_);
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buildUniformMonotoneTable(sw, pcow, samples, pcow_);
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krocw_ = krow[0]; // At connate water -> ecl. SWOF
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}
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if (phase_usage_.phase_used[Vapour]) {
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const Dune::SGOF::table_t& sgof_table = deck.getSGOF().sgof_;
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if (sgof_table.size() != 1) {
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THROW("We must have exactly one SGOF table.");
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}
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const std::vector<double>& sg = sgof_table[0][0];
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const std::vector<double>& krg = sgof_table[0][1];
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const std::vector<double>& krog = sgof_table[0][2];
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const std::vector<double>& pcog = sgof_table[0][3];
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buildUniformMonotoneTable(sg, krg, samples, krg_);
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buildUniformMonotoneTable(sg, krog, samples, krog_);
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buildUniformMonotoneTable(sg, pcog, samples, pcog_);
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}
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}
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/// Relative permeability.
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/// \param[in] n Number of data points.
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/// \param[in] s Array of nP saturation values.
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/// \param[out] kr Array of nP relperm values, array must be valid before calling.
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/// \param[out] dkrds If non-null: array of nP^2 relperm derivative values,
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/// array must be valid before calling.
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/// The P^2 derivative matrix is
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/// m_{ij} = \frac{dkr_i}{ds^j},
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/// and is output in Fortran order (m_00 m_10 m_20 m01 ...)
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void SaturationPropsFromDeck::relperm(const int n,
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const double* s,
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double* kr,
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double* dkrds) const
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{
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const int np = phase_usage_.num_phases;
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if (dkrds) {
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#pragma omp parallel for
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for (int i = 0; i < n; ++i) {
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evalKrDeriv(s + np*i, kr + np*i, dkrds + np*np*i);
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}
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} else {
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#pragma omp parallel for
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for (int i = 0; i < n; ++i) {
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evalKr(s + np*i, kr + np*i);
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}
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}
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}
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/// Capillary pressure.
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/// \param[in] n Number of data points.
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/// \param[in] s Array of nP saturation values.
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/// \param[out] pc Array of nP capillary pressure values, array must be valid before calling.
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/// \param[out] dpcds If non-null: array of nP^2 derivative values,
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/// array must be valid before calling.
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/// The P^2 derivative matrix is
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/// m_{ij} = \frac{dpc_i}{ds^j},
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/// and is output in Fortran order (m_00 m_10 m_20 m01 ...)
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void SaturationPropsFromDeck::capPress(const int n,
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const double* s,
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double* pc,
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double* dpcds) const
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{
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const int np = phase_usage_.num_phases;
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if (dpcds) {
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#pragma omp parallel for
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for (int i = 0; i < n; ++i) {
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evalPcDeriv(s + np*i, pc + np*i, dpcds + np*np*i);
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}
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} else {
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#pragma omp parallel for
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for (int i = 0; i < n; ++i) {
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evalPc(s + np*i, pc + np*i);
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}
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}
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}
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void SaturationPropsFromDeck::evalKr(const double* s, double* kr) const
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{
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if (phase_usage_.num_phases == 3) {
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// Stone-II relative permeability model.
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double sw = s[Aqua];
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double sg = s[Vapour];
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double krw = krw_(sw);
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double krg = krg_(sg);
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double krow = krow_(sw + sg); // = 1 - so
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double krog = krog_(sg); // = 1 - so - sw
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double krocw = krocw_;
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kr[Aqua] = krw;
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kr[Vapour] = krg;
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kr[Liquid] = krocw*((krow/krocw + krw)*(krog/krocw + krg) - krw - krg);
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if (kr[Liquid] < 0.0) {
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kr[Liquid] = 0.0;
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}
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return;
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}
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// We have a two-phase situation. We know that oil is active.
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if (phase_usage_.phase_used[Aqua]) {
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int wpos = phase_usage_.phase_pos[Aqua];
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int opos = phase_usage_.phase_pos[Liquid];
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double sw = s[wpos];
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double krw = krw_(sw);
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double krow = krow_(sw);
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kr[wpos] = krw;
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kr[opos] = krow;
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} else {
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ASSERT(phase_usage_.phase_used[Vapour]);
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int gpos = phase_usage_.phase_pos[Vapour];
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int opos = phase_usage_.phase_pos[Liquid];
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double sg = s[gpos];
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double krg = krg_(sg);
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double krog = krog_(sg);
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kr[gpos] = krg;
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kr[opos] = krog;
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}
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}
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void SaturationPropsFromDeck::evalKrDeriv(const double* s, double* kr, double* dkrds) const
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{
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const int np = phase_usage_.num_phases;
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std::fill(dkrds, dkrds + np*np, 0.0);
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if (np == 3) {
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// Stone-II relative permeability model.
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double sw = s[Aqua];
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double sg = s[Vapour];
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double krw = krw_(sw);
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double dkrww = krw_.derivative(sw);
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double krg = krg_(sg);
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double dkrgg = krg_.derivative(sg);
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double krow = krow_(sw + sg);
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double dkrow = krow_.derivative(sw + sg);
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double krog = krog_(sg);
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double dkrog = krog_.derivative(sg);
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double krocw = krocw_;
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kr[Aqua] = krw;
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kr[Vapour] = krg;
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kr[Liquid] = krocw*((krow/krocw + krw)*(krog/krocw + krg) - krw - krg);
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if (kr[Liquid] < 0.0) {
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kr[Liquid] = 0.0;
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}
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dkrds[Aqua + Aqua*np] = dkrww;
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dkrds[Vapour + Vapour*np] = dkrgg;
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dkrds[Liquid + Aqua*np] = krocw*((dkrow/krocw + dkrww)*(krog/krocw + krg) - dkrww);
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dkrds[Liquid + Vapour*np] = krocw*((krow/krocw + krw)*(dkrog/krocw + dkrgg) - dkrgg)
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+ krocw*((dkrow/krocw + krw)*(krog/krocw + krg) - dkrgg);
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return;
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}
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// We have a two-phase situation. We know that oil is active.
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if (phase_usage_.phase_used[Aqua]) {
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int wpos = phase_usage_.phase_pos[Aqua];
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int opos = phase_usage_.phase_pos[Liquid];
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double sw = s[wpos];
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double krw = krw_(sw);
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double dkrww = krw_.derivative(sw);
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double krow = krow_(sw);
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double dkrow = krow_.derivative(sw);
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kr[wpos] = krw;
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kr[opos] = krow;
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dkrds[wpos + wpos*np] = dkrww;
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dkrds[opos + wpos*np] = dkrow; // Row opos, column wpos, fortran order.
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} else {
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ASSERT(phase_usage_.phase_used[Vapour]);
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int gpos = phase_usage_.phase_pos[Vapour];
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int opos = phase_usage_.phase_pos[Liquid];
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double sg = s[gpos];
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double krg = krg_(sg);
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double dkrgg = krg_.derivative(sg);
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double krog = krog_(sg);
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double dkrog = krog_.derivative(sg);
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kr[gpos] = krg;
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kr[opos] = krog;
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dkrds[gpos + gpos*np] = dkrgg;
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dkrds[opos + gpos*np] = dkrog;
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}
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}
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void SaturationPropsFromDeck::evalPc(const double* s, double* pc) const
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{
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pc[phase_usage_.phase_pos[Liquid]] = 0.0;
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if (phase_usage_.phase_used[Aqua]) {
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int pos = phase_usage_.phase_pos[Aqua];
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pc[pos] = pcow_(s[pos]);
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}
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if (phase_usage_.phase_used[Vapour]) {
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int pos = phase_usage_.phase_pos[Vapour];
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pc[pos] = pcog_(s[pos]);
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}
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}
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void SaturationPropsFromDeck::evalPcDeriv(const double* /*s*/, double* /*pc*/, double* /*dpcds*/) const
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{
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THROW("Evaluation of capillary pressure derivatives not yet implemented.");
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}
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} // namespace Opm
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