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https://github.com/OPM/opm-simulators.git
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247 lines
8.1 KiB
C++
247 lines
8.1 KiB
C++
/*
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Copyright 2015 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 "config.h"
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#include <opm/autodiff/VFPProdProperties.hpp>
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#include <opm/parser/eclipse/EclipseState/Tables/VFPProdTable.hpp>
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#include <opm/core/props/BlackoilPhases.hpp>
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#include <opm/common/ErrorMacros.hpp>
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#include <opm/autodiff/AutoDiffHelpers.hpp>
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#include <opm/material/densead/Math.hpp>
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#include <opm/material/densead/Evaluation.hpp>
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#include <opm/autodiff/VFPHelpers.hpp>
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namespace Opm {
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VFPProdProperties::VFPProdProperties() {
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}
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VFPProdProperties::VFPProdProperties(const VFPProdTable* table){
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m_tables[table->getTableNum()] = table;
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}
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VFPProdProperties::VFPProdProperties(const std::map<int, VFPProdTable>& tables) {
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for (const auto& table : tables) {
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m_tables[table.first] = &table.second;
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}
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}
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VFPProdProperties::ADB VFPProdProperties::bhp(const std::vector<int>& table_id,
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const Wells& wells,
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const ADB& qs,
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const ADB& thp_arg,
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const ADB& alq) const {
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const int nw = wells.number_of_wells;
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//Short-hands for water / oil / gas phases
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//TODO enable support for two-phase.
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assert(wells.number_of_phases == 3);
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const ADB& w = subset(qs, Span(nw, 1, BlackoilPhases::Aqua*nw));
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const ADB& o = subset(qs, Span(nw, 1, BlackoilPhases::Liquid*nw));
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const ADB& g = subset(qs, Span(nw, 1, BlackoilPhases::Vapour*nw));
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return bhp(table_id, w, o, g, thp_arg, alq);
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}
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VFPProdProperties::ADB VFPProdProperties::bhp(const std::vector<int>& table_id,
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const ADB& aqua,
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const ADB& liquid,
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const ADB& vapour,
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const ADB& thp_arg,
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const ADB& alq) const {
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const int nw = thp_arg.size();
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std::vector<int> block_pattern = detail::commonBlockPattern(aqua, liquid, vapour, thp_arg, alq);
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assert(static_cast<int>(table_id.size()) == nw);
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assert(aqua.size() == nw);
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assert(liquid.size() == nw);
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assert(vapour.size() == nw);
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assert(thp_arg.size() == nw);
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assert(alq.size() == nw);
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//Allocate data for bhp's and partial derivatives
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ADB::V value = ADB::V::Zero(nw);
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ADB::V dthp = ADB::V::Zero(nw);
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ADB::V dwfr = ADB::V::Zero(nw);
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ADB::V dgfr = ADB::V::Zero(nw);
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ADB::V dalq = ADB::V::Zero(nw);
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ADB::V dflo = ADB::V::Zero(nw);
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//Get the table for each well
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std::vector<const VFPProdTable*> well_tables(nw, nullptr);
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for (int i=0; i<nw; ++i) {
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if (table_id[i] >= 0) {
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well_tables[i] = detail::getTable(m_tables, table_id[i]);
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}
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}
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//Get the right FLO/GFR/WFR variable for each well as a single ADB
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const ADB flo = detail::combineADBVars<VFPProdTable::FLO_TYPE>(well_tables, aqua, liquid, vapour);
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const ADB wfr = detail::combineADBVars<VFPProdTable::WFR_TYPE>(well_tables, aqua, liquid, vapour);
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const ADB gfr = detail::combineADBVars<VFPProdTable::GFR_TYPE>(well_tables, aqua, liquid, vapour);
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//Compute the BHP for each well independently
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for (int i=0; i<nw; ++i) {
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const VFPProdTable* table = well_tables[i];
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if (table != nullptr) {
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//First, find the values to interpolate between
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//Value of FLO is negative in OPM for producers, but positive in VFP table
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auto flo_i = detail::findInterpData(-flo.value()[i], table->getFloAxis());
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auto thp_i = detail::findInterpData( thp_arg.value()[i], table->getTHPAxis());
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auto wfr_i = detail::findInterpData( wfr.value()[i], table->getWFRAxis());
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auto gfr_i = detail::findInterpData( gfr.value()[i], table->getGFRAxis());
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auto alq_i = detail::findInterpData( alq.value()[i], table->getALQAxis());
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detail::VFPEvaluation bhp_val = detail::interpolate(table->getTable(), flo_i, thp_i, wfr_i, gfr_i, alq_i);
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value[i] = bhp_val.value;
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dthp[i] = bhp_val.dthp;
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dwfr[i] = bhp_val.dwfr;
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dgfr[i] = bhp_val.dgfr;
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dalq[i] = bhp_val.dalq;
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dflo[i] = bhp_val.dflo;
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}
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else {
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value[i] = -1e100; //Signal that this value has not been calculated properly, due to "missing" table
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}
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}
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//Create diagonal matrices from ADB::Vs
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ADB::M dthp_diag(dthp.matrix().asDiagonal());
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ADB::M dwfr_diag(dwfr.matrix().asDiagonal());
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ADB::M dgfr_diag(dgfr.matrix().asDiagonal());
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ADB::M dalq_diag(dalq.matrix().asDiagonal());
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ADB::M dflo_diag(dflo.matrix().asDiagonal());
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//Calculate the Jacobians
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const int num_blocks = block_pattern.size();
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std::vector<ADB::M> jacs(num_blocks);
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for (int block = 0; block < num_blocks; ++block) {
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//Could have used fastSparseProduct and temporary variables
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//but may not save too much on that.
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jacs[block] = ADB::M(nw, block_pattern[block]);
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if (!thp_arg.derivative().empty()) {
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jacs[block] += dthp_diag * thp_arg.derivative()[block];
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}
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if (!wfr.derivative().empty()) {
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jacs[block] += dwfr_diag * wfr.derivative()[block];
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}
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if (!gfr.derivative().empty()) {
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jacs[block] += dgfr_diag * gfr.derivative()[block];
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}
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if (!alq.derivative().empty()) {
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jacs[block] += dalq_diag * alq.derivative()[block];
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}
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if (!flo.derivative().empty()) {
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jacs[block] -= dflo_diag * flo.derivative()[block];
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}
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}
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ADB retval = ADB::function(std::move(value), std::move(jacs));
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return retval;
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}
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double VFPProdProperties::bhp(int table_id,
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const double& aqua,
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const double& liquid,
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const double& vapour,
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const double& thp_arg,
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const double& alq) const {
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const VFPProdTable* table = detail::getTable(m_tables, table_id);
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detail::VFPEvaluation retval = detail::bhp(table, aqua, liquid, vapour, thp_arg, alq);
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return retval.value;
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}
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double VFPProdProperties::thp(int table_id,
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const double& aqua,
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const double& liquid,
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const double& vapour,
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const double& bhp_arg,
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const double& alq) const {
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const VFPProdTable* table = detail::getTable(m_tables, table_id);
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const VFPProdTable::array_type& data = table->getTable();
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//Find interpolation variables
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double flo = detail::getFlo(aqua, liquid, vapour, table->getFloType());
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double wfr = detail::getWFR(aqua, liquid, vapour, table->getWFRType());
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double gfr = detail::getGFR(aqua, liquid, vapour, table->getGFRType());
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const std::vector<double> thp_array = table->getTHPAxis();
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int nthp = thp_array.size();
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/**
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* Find the function bhp_array(thp) by creating a 1D view of the data
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* by interpolating for every value of thp. This might be somewhat
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* expensive, but let us assome that nthp is small
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* Recall that flo is negative in Opm, so switch the sign
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*/
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auto flo_i = detail::findInterpData(-flo, table->getFloAxis());
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auto wfr_i = detail::findInterpData( wfr, table->getWFRAxis());
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auto gfr_i = detail::findInterpData( gfr, table->getGFRAxis());
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auto alq_i = detail::findInterpData( alq, table->getALQAxis());
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std::vector<double> bhp_array(nthp);
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for (int i=0; i<nthp; ++i) {
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auto thp_i = detail::findInterpData(thp_array[i], thp_array);
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bhp_array[i] = detail::interpolate(data, flo_i, thp_i, wfr_i, gfr_i, alq_i).value;
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}
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double retval = detail::findTHP(bhp_array, thp_array, bhp_arg);
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return retval;
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}
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const VFPProdTable* VFPProdProperties::getTable(const int table_id) const {
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return detail::getTable(m_tables, table_id);
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}
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}
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