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https://github.com/OPM/opm-simulators.git
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391 lines
16 KiB
C++
391 lines
16 KiB
C++
/*
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Copyright 2015 Andreas Lauser
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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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#ifndef OPM_THERMAL_WATER_PVT_WRAPPER_HPP
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#define OPM_THERMAL_WATER_PVT_WRAPPER_HPP
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#include <opm/core/props/pvt/PvtInterface.hpp>
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#include <opm/core/utility/ErrorMacros.hpp>
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#include <opm/parser/eclipse/EclipseState/EclipseState.hpp>
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#include <vector>
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namespace Opm
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{
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/// Class which wraps another (i.e., isothermal) PVT object into one which adds
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/// temperature dependence of water
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class ThermalWaterPvtWrapper : public PvtInterface
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{
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public:
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ThermalWaterPvtWrapper()
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{}
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/// set the tables which specify the temperature dependence of the water viscosity
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void initFromDeck(std::shared_ptr<const PvtInterface> isothermalPvt,
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Opm::DeckConstPtr deck,
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Opm::EclipseStateConstPtr eclipseState)
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{
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isothermalPvt_ = isothermalPvt;
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watvisctTables_ = 0;
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// stuff which we need to get from the PVTW keyword
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Opm::DeckKeywordConstPtr pvtwKeyword = deck->getKeyword("PVTW");
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int numRegions = pvtwKeyword->size();
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pvtwRefPress_.resize(numRegions);
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pvtwRefB_.resize(numRegions);
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pvtwCompressibility_.resize(numRegions);
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pvtwViscosity_.resize(numRegions);
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pvtwViscosibility_.resize(numRegions);
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for (int regionIdx = 0; regionIdx < numRegions; ++ regionIdx) {
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Opm::DeckRecordConstPtr pvtwRecord = pvtwKeyword->getRecord(regionIdx);
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pvtwRefPress_[regionIdx] = pvtwRecord->getItem("P_REF")->getSIDouble(0);
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pvtwRefB_[regionIdx] = pvtwRecord->getItem("WATER_VOL_FACTOR")->getSIDouble(0);
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pvtwViscosity_[regionIdx] = pvtwRecord->getItem("WATER_VISCOSITY")->getSIDouble(0);
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pvtwViscosibility_[regionIdx] = pvtwRecord->getItem("WATER_VISCOSIBILITY")->getSIDouble(0);
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}
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// quantities required for the temperature dependence of the viscosity
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// (basically we expect well-behaved VISCREF and WATVISCT keywords.)
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if (deck->hasKeyword("VISCREF")) {
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watvisctTables_ = &eclipseState->getWatvisctTables();
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Opm::DeckKeywordConstPtr viscrefKeyword = deck->getKeyword("VISCREF");
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assert(watvisctTables_->size() == numRegions);
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assert(viscrefKeyword->size() == numRegions);
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viscrefPress_.resize(numRegions);
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for (int regionIdx = 0; regionIdx < numRegions; ++ regionIdx) {
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Opm::DeckRecordConstPtr viscrefRecord = viscrefKeyword->getRecord(regionIdx);
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viscrefPress_[regionIdx] = viscrefRecord->getItem("REFERENCE_PRESSURE")->getSIDouble(0);
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}
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}
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// quantities required for the temperature dependence of the density
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if (deck->hasKeyword("WATDENT")) {
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DeckKeywordConstPtr watdentKeyword = deck->getKeyword("WATDENT");
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assert(watdentKeyword->size() == numRegions);
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watdentRefTemp_.resize(numRegions);
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watdentCT1_.resize(numRegions);
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watdentCT2_.resize(numRegions);
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for (int regionIdx = 0; regionIdx < numRegions; ++regionIdx) {
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Opm::DeckRecordConstPtr watdentRecord = watdentKeyword->getRecord(regionIdx);
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watdentRefTemp_[regionIdx] = watdentRecord->getItem("REFERENCE_TEMPERATURE")->getSIDouble(0);
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watdentCT1_[regionIdx] = watdentRecord->getItem("EXPANSION_COEFF_LINEAR")->getSIDouble(0);
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watdentCT2_[regionIdx] = watdentRecord->getItem("EXPANSION_COEFF_QUADRATIC")->getSIDouble(0);
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}
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}
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}
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virtual void mu(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* z,
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double* output_mu) const
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{
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if (watvisctTables_)
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// TODO: temperature dependence for viscosity depending on z
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OPM_THROW(std::runtime_error,
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"temperature dependent viscosity as a function of z "
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"is not yet implemented!");
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// compute the isothermal viscosity
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isothermalPvt_->mu(n, pvtRegionIdx, p, T, z, output_mu);
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}
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virtual void mu(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* r,
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double* output_mu,
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double* output_dmudp,
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double* output_dmudr) const
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{
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// compute the isothermal viscosity and its derivatives
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isothermalPvt_->mu(n, pvtRegionIdx, p, T, r, output_mu, output_dmudp, output_dmudr);
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if (!watvisctTables_)
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// isothermal case
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return;
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// temperature dependence
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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// calculate the viscosity of the isothermal keyword for the reference
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// pressure given by the VISCREF keyword.
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double x = -pvtwViscosibility_[tableIdx]*(viscrefPress_[tableIdx] - pvtwRefPress_[tableIdx]);
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double muRef = pvtwViscosity_[tableIdx]/(1.0 + x + 0.5*x*x);
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// compute the viscosity deviation due to temperature
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double muWatvisct = (*watvisctTables_)[tableIdx].evaluate("Viscosity", T[i]);
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double alpha = muWatvisct/muRef;
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output_mu[i] *= alpha;
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output_dmudp[i] *= alpha;
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output_dmudr[i] *= alpha;
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// TODO (?): derivative of viscosity w.r.t. temperature.
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}
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}
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virtual void mu(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* r,
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const PhasePresence* cond,
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double* output_mu,
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double* output_dmudp,
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double* output_dmudr) const
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{
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// compute the isothermal viscosity and its derivatives
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isothermalPvt_->mu(n, pvtRegionIdx, p, T, r, cond, output_mu, output_dmudp, output_dmudr);
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if (!watvisctTables_)
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// isothermal case
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return;
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// temperature dependence
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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// calculate the viscosity of the isothermal keyword for the reference
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// pressure given by the VISCREF keyword.
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double x = -pvtwViscosibility_[tableIdx]*(viscrefPress_[tableIdx] - pvtwRefPress_[tableIdx]);
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double muRef = pvtwViscosity_[tableIdx]/(1.0 + x + 0.5*x*x);
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// compute the viscosity deviation due to temperature
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double muWatvisct = (*watvisctTables_)[tableIdx].evaluate("Viscosity", T[i]);
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double alpha = muWatvisct/muRef;
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output_mu[i] *= alpha;
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output_dmudp[i] *= alpha;
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output_dmudr[i] *= alpha;
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// TODO (?): derivative of viscosity w.r.t. temperature.
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}
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}
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virtual void B(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* z,
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double* output_B) const
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{
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if (watdentRefTemp_.empty()) {
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// isothermal case
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isothermalPvt_->B(n, pvtRegionIdx, p, T, z, output_B);
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return;
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}
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// This changes how the water density depends on pressure compared to what's
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// used for the PVTW keyword, but it seems to be what Eclipse does. For
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// details, see the documentation for the WATDENT keyword in the Eclipse RM.
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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double BwRef = pvtwRefB_[tableIdx];
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double TRef = watdentRefTemp_[tableIdx];
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double X = pvtwCompressibility_[tableIdx]*(p[i] - pvtwRefPress_[tableIdx]);
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double cT1 = watdentCT1_[tableIdx];
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double cT2 = watdentCT2_[tableIdx];
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double Y = T[i] - TRef;
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double Bw = BwRef*(1 - X)*(1 + cT1*Y + cT2*Y*Y);
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output_B[i] = Bw;
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}
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}
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virtual void dBdp(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* z,
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double* output_B,
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double* output_dBdp) const
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{
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if (watdentRefTemp_.empty()) {
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// isothermal case
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isothermalPvt_->dBdp(n, pvtRegionIdx, p, T, z, output_B, output_dBdp);
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return;
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}
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// This changes how the water density depends on pressure. This is awkward,
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// but it seems to be what Eclipse does. See the documentation for the
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// WATDENT keyword in the Eclipse RM
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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double BwRef = pvtwRefB_[tableIdx];
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double TRef = watdentRefTemp_[tableIdx];
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double X = pvtwCompressibility_[tableIdx]*(p[i] - pvtwRefPress_[tableIdx]);
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double cT1 = watdentCT1_[tableIdx];
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double cT2 = watdentCT2_[tableIdx];
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double Y = T[i] - TRef;
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double Bw = BwRef*(1 - X)*(1 + cT1*Y + cT2*Y*Y);
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output_B[i] = Bw;
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}
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std::fill(output_dBdp, output_dBdp + n, 0.0);
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}
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virtual void b(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* r,
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double* output_b,
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double* output_dbdp,
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double* output_dbdr) const
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{
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if (watdentRefTemp_.empty()) {
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// isothermal case
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isothermalPvt_->b(n, pvtRegionIdx, p, T, r, output_b, output_dbdp, output_dbdr);
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return;
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}
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// This changes how the water density depends on pressure. This is awkward,
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// but it seems to be what Eclipse does. See the documentation for the
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// WATDENT keyword in the Eclipse RM
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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double BwRef = pvtwRefB_[tableIdx];
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double TRef = watdentRefTemp_[tableIdx];
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double X = pvtwCompressibility_[tableIdx]*(p[i] - pvtwRefPress_[tableIdx]);
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double cT1 = watdentCT1_[tableIdx];
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double cT2 = watdentCT2_[tableIdx];
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double Y = T[i] - TRef;
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double Bw = BwRef*(1 - X)*(1 + cT1*Y + cT2*Y*Y);
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output_b[i] = 1.0/Bw;
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}
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std::fill(output_dbdp, output_dbdp + n, 0.0);
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std::fill(output_dbdr, output_dbdr + n, 0.0);
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}
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virtual void b(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* T,
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const double* r,
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const PhasePresence* cond,
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double* output_b,
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double* output_dbdp,
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double* output_dbdr) const
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{
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if (watdentRefTemp_.empty()) {
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// isothermal case
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isothermalPvt_->b(n, pvtRegionIdx, p, T, r, cond, output_b, output_dbdp, output_dbdr);
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return;
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}
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// This changes pressure dependence of the water density, but it seems to be
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// what Eclipse does. See the documentation for the WATDENT keyword in the
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// Eclipse RM
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for (int i = 0; i < n; ++i) {
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int tableIdx = getTableIndex_(pvtRegionIdx, i);
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double BwRef = pvtwRefB_[tableIdx];
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double TRef = watdentRefTemp_[tableIdx];
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double X = pvtwCompressibility_[tableIdx]*(p[i] - pvtwRefPress_[tableIdx]);
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double cT1 = watdentCT1_[tableIdx];
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double cT2 = watdentCT2_[tableIdx];
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double Y = T[i] - TRef;
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double Bw = BwRef*(1 - X)*(1 + cT1*Y + cT2*Y*Y);
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output_b[i] = 1.0/Bw;
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}
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std::fill(output_dbdp, output_dbdp + n, 0.0);
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std::fill(output_dbdr, output_dbdr + n, 0.0);
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}
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virtual void rsSat(const int n,
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const int* pvtRegionIdx,
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const double* p,
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double* output_rsSat,
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double* output_drsSatdp) const
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{
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isothermalPvt_->rsSat(n, pvtRegionIdx, p, output_rsSat, output_drsSatdp);
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}
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virtual void rvSat(const int n,
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const int* pvtRegionIdx,
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const double* p,
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double* output_rvSat,
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double* output_drvSatdp) const
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{
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isothermalPvt_->rvSat(n, pvtRegionIdx, p, output_rvSat, output_drvSatdp);
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}
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virtual void R(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* z,
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double* output_R) const
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{
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isothermalPvt_->R(n, pvtRegionIdx, p, z, output_R);
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}
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virtual void dRdp(const int n,
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const int* pvtRegionIdx,
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const double* p,
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const double* z,
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double* output_R,
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double* output_dRdp) const
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{
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isothermalPvt_->dRdp(n, pvtRegionIdx, p, z, output_R, output_dRdp);
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}
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private:
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int getTableIndex_(const int* pvtTableIdx, int cellIdx) const
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{
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if (!pvtTableIdx)
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return 0;
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return pvtTableIdx[cellIdx];
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}
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// the PVT propertied for the isothermal case
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std::shared_ptr<const PvtInterface> isothermalPvt_;
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// The PVT properties needed for temperature dependence. We need to store one
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// value per PVT region.
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std::vector<double> viscrefPress_;
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std::vector<double> watdentRefTemp_;
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std::vector<double> watdentCT1_;
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std::vector<double> watdentCT2_;
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std::vector<double> pvtwRefPress_;
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std::vector<double> pvtwRefB_;
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std::vector<double> pvtwCompressibility_;
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std::vector<double> pvtwViscosity_;
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std::vector<double> pvtwViscosibility_;
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const std::vector<Opm::WatvisctTable>* watvisctTables_;
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};
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}
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#endif
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