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Merge pull request #108 from GitPaean/simple_changes

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Adapting some updates in opm-autodiff to opm-polymer.
This commit is contained in:
Atgeirr Flø Rasmussen 2015-05-11 08:29:39 +02:00
commit 5a0ae07252
2 changed files with 178 additions and 254 deletions
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12
opm/polymer/fullyimplicit/FullyImplicitBlackoilPolymerSolver.hpp
View File

@ -260,9 +260,7 @@ namespace Opm {
V& aliveWells, V& aliveWells,
const std::vector<double>& polymer_inflow); const std::vector<double>& polymer_inflow);
void updateWellControls(ADB& bhp, void updateWellControls(WellStateFullyImplicitBlackoil& xw) const;
ADB& well_phase_flow_rate,
WellStateFullyImplicitBlackoil& xw) const;
void void
assemble(const V& dtpv, assemble(const V& dtpv,
@ -296,10 +294,12 @@ namespace Opm {
computeRelPerm(const SolutionState& state) const; computeRelPerm(const SolutionState& state) const;
void void
computeMassFlux(const V& transi, computeMassFlux(const int actph ,
const std::vector<ADB>& kr , const V& transi,
const std::vector<ADB>& phasePressure, const ADB& kr ,
const ADB& p ,
const SolutionState& state ); const SolutionState& state );
void void
computeCmax(PolymerBlackoilState& state); computeCmax(PolymerBlackoilState& state);

338
opm/polymer/fullyimplicit/FullyImplicitBlackoilPolymerSolver_impl.hpp
View File

@ -584,21 +584,20 @@ namespace detail {
// Pressure. // Pressure.
int nextvar = 0; int nextvar = 0;
state.pressure = vars[ nextvar++ ]; state.pressure = std::move(vars[ nextvar++ ]);
// temperature // temperature
const V temp = Eigen::Map<const V>(& x.temperature()[0], x.temperature().size()); const V temp = Eigen::Map<const V>(& x.temperature()[0], x.temperature().size());
state.temperature = ADB::constant(temp); state.temperature = ADB::constant(temp);
// Saturations // Saturations
const std::vector<int>& bpat = vars[0].blockPattern();
{ {
ADB so = ADB::constant(V::Ones(nc, 1), bpat); ADB so = ADB::constant(V::Ones(nc, 1));
if (active_[ Water ]) { if (active_[ Water ]) {
ADB& sw = vars[ nextvar++ ]; state.saturation[pu.phase_pos[ Water ]] = std::move(vars[ nextvar++ ]);
state.saturation[pu.phase_pos[ Water ]] = sw; const ADB& sw = state.saturation[pu.phase_pos[ Water ]];
so -= sw; so -= sw;
} }
@ -614,7 +613,7 @@ namespace detail {
// RS and RV is only defined if both oil and gas phase are active. // RS and RV is only defined if both oil and gas phase are active.
const ADB& sw = (active_[ Water ] const ADB& sw = (active_[ Water ]
? state.saturation[ pu.phase_pos[ Water ] ] ? state.saturation[ pu.phase_pos[ Water ] ]
: ADB::constant(V::Zero(nc, 1), bpat)); : ADB::constant(V::Zero(nc, 1)));
state.canonical_phase_pressures = computePressures(state.pressure, sw, so, sg); state.canonical_phase_pressures = computePressures(state.pressure, sw, so, sg);
const ADB rsSat = fluidRsSat(state.canonical_phase_pressures[ Oil ], so , cells_); const ADB rsSat = fluidRsSat(state.canonical_phase_pressures[ Oil ], so , cells_);
if (has_disgas_) { if (has_disgas_) {
@ -633,20 +632,20 @@ namespace detail {
if (active_[ Oil ]) { if (active_[ Oil ]) {
// Note that so is never a primary variable. // Note that so is never a primary variable.
state.saturation[pu.phase_pos[ Oil ]] = so; state.saturation[pu.phase_pos[ Oil ]] = std::move(so);
} }
} }
// Concentration. // Concentration.
if (has_polymer_) { if (has_polymer_) {
state.concentration = vars[nextvar++]; state.concentration = std::move(vars[ nextvar++ ]);
} }
// Qs. // Qs.
state.qs = vars[ nextvar++ ]; state.qs = std::move(vars[ nextvar++ ]);
// Bhp. // Bhp.
state.bhp = vars[ nextvar++ ]; state.bhp = std::move(vars[ nextvar++ ]);
assert(nextvar == int(vars.size())); assert(nextvar == int(vars.size()));
@ -837,6 +836,11 @@ namespace detail {
const std::vector<double>& polymer_inflow) const std::vector<double>& polymer_inflow)
{ {
using namespace Opm::AutoDiffGrid; using namespace Opm::AutoDiffGrid;
// Possibly switch well controls and updating well state to
// get reasonable initial conditions for the wells
updateWellControls(xw);
// Create the primary variables. // Create the primary variables.
SolutionState state = variableState(x, xw); SolutionState state = variableState(x, xw);
@ -873,9 +877,8 @@ namespace detail {
// for each active phase. // for each active phase.
const V transi = subset(geo_.transmissibility(), ops_.internal_faces); const V transi = subset(geo_.transmissibility(), ops_.internal_faces);
const std::vector<ADB> kr = computeRelPerm(state); const std::vector<ADB> kr = computeRelPerm(state);
computeMassFlux(transi, kr, state.canonical_phase_pressures, state);
for (int phaseIdx = 0; phaseIdx < fluid_.numPhases(); ++phaseIdx) { for (int phaseIdx = 0; phaseIdx < fluid_.numPhases(); ++phaseIdx) {
// computeMassFlux(phaseIdx, transi, kr[canph_[phaseIdx]], state.canonical_phase_pressures[canph_[phaseIdx]], state); computeMassFlux(phaseIdx, transi, kr[canph_[phaseIdx]], state.canonical_phase_pressures[canph_[phaseIdx]], state);
residual_.material_balance_eq[ phaseIdx ] = residual_.material_balance_eq[ phaseIdx ] =
pvdt*(rq_[phaseIdx].accum[1] - rq_[phaseIdx].accum[0]) pvdt*(rq_[phaseIdx].accum[1] - rq_[phaseIdx].accum[0])
+ ops_.div*rq_[phaseIdx].mflux; + ops_.div*rq_[phaseIdx].mflux;
@ -910,9 +913,8 @@ namespace detail {
residual_.material_balance_eq[poly_pos_] = pvdt*(rq_[poly_pos_].accum[1] - rq_[poly_pos_].accum[0]) residual_.material_balance_eq[poly_pos_] = pvdt*(rq_[poly_pos_].accum[1] - rq_[poly_pos_].accum[0])
+ ops_.div*rq_[poly_pos_].mflux; + ops_.div*rq_[poly_pos_].mflux;
} }
// Note: updateWellControls() can change all its arguments if
// a well control is switched. // Add contribution from wells and set up the well equations.
updateWellControls(state.bhp, state.qs, xw);
V aliveWells; V aliveWells;
addWellEq(state, xw, aliveWells, polymer_inflow); addWellEq(state, xw, aliveWells, polymer_inflow);
addWellControlEq(state, xw, aliveWells); addWellControlEq(state, xw, aliveWells);
@ -941,13 +943,16 @@ namespace detail {
// pressure diffs computed already (once per step, not changing per iteration) // pressure diffs computed already (once per step, not changing per iteration)
const V& cdp = well_perforation_pressure_diffs_; const V& cdp = well_perforation_pressure_diffs_;
// Extract variables for perforation cell pressures // Extract needed quantities for the perforation cells
// and corresponding perforation well pressures. const ADB& p_perfcells = subset(state.pressure, well_cells);
const ADB p_perfcell = subset(state.pressure, well_cells); const ADB& rv_perfcells = subset(state.rv,well_cells);
const ADB& rs_perfcells = subset(state.rs,well_cells);
// DUMPVAL(p_perfcell); std::vector<ADB> mob_perfcells(np, ADB::null());
// DUMPVAL(state.bhp); std::vector<ADB> b_perfcells(np, ADB::null());
// DUMPVAL(ADB::constant(cdp)); for (int phase = 0; phase < np; ++phase) {
mob_perfcells[phase] = subset(rq_[phase].mob,well_cells);
b_perfcells[phase] = subset(rq_[phase].b,well_cells);
}
// Perforation pressure // Perforation pressure
const ADB perfpressure = (wops_.w2p * state.bhp) + cdp; const ADB perfpressure = (wops_.w2p * state.bhp) + cdp;
@ -955,167 +960,105 @@ namespace detail {
xw.perfPress() = perfpressure_d; xw.perfPress() = perfpressure_d;
// Pressure drawdown (also used to determine direction of flow) // Pressure drawdown (also used to determine direction of flow)
const ADB drawdown = p_perfcell - perfpressure; const ADB drawdown = p_perfcells - perfpressure;
// current injecting connections // Compute vectors with zero and ones that
auto connInjInx = drawdown.value() < 0; // selects the wanted quantities.
// injector == 1, producer == 0 // selects injection perforations
V isInj = V::Zero(nw); V selectInjectingPerforations = V::Zero(nperf);
for (int w = 0; w < nw; ++w) { // selects producing perforations
if (wells().type[w] == INJECTOR) { V selectProducingPerforations = V::Zero(nperf);
isInj[w] = 1;
}
}
// // A cross-flow connection is defined as a connection which has opposite
// // flow-direction to the well total flow
// V isInjPerf = (wops_.w2p * isInj);
// auto crossFlowConns = (connInjInx != isInjPerf);
// bool allowCrossFlow = true;
// if (not allowCrossFlow) {
// auto closedConns = crossFlowConns;
// for (int c = 0; c < nperf; ++c) {
// if (closedConns[c]) {
// Tw[c] = 0;
// }
// }
// connInjInx = !closedConns;
// }
// TODO: not allow for crossflow
V isInjInx = V::Zero(nperf);
V isNotInjInx = V::Zero(nperf);
for (int c = 0; c < nperf; ++c){ for (int c = 0; c < nperf; ++c){
if (connInjInx[c]) if (drawdown.value()[c] < 0)
isInjInx[c] = 1; selectInjectingPerforations[c] = 1;
else else
isNotInjInx[c] = 1; selectProducingPerforations[c] = 1;
} }
// HANDLE FLOW INTO WELLBORE // HANDLE FLOW INTO WELLBORE
// compute phase volumerates standard conditions // compute phase volumetric rates at standard conditions
std::vector<ADB> cq_ps(np, ADB::null()); std::vector<ADB> cq_ps(np, ADB::null());
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
const ADB& wellcell_mob = subset ( rq_[phase].mob, well_cells); const ADB cq_p = -(selectProducingPerforations * Tw) * (mob_perfcells[phase] * drawdown);
const ADB cq_p = -(isNotInjInx * Tw) * (wellcell_mob * drawdown); cq_ps[phase] = b_perfcells[phase] * cq_p;
cq_ps[phase] = subset(rq_[phase].b,well_cells) * cq_p;
} }
if (active_[Oil] && active_[Gas]) { if (active_[Oil] && active_[Gas]) {
const int oilpos = pu.phase_pos[Oil]; const int oilpos = pu.phase_pos[Oil];
const int gaspos = pu.phase_pos[Gas]; const int gaspos = pu.phase_pos[Gas];
ADB cq_psOil = cq_ps[oilpos]; const ADB cq_psOil = cq_ps[oilpos];
ADB cq_psGas = cq_ps[gaspos]; const ADB cq_psGas = cq_ps[gaspos];
cq_ps[gaspos] += subset(state.rs,well_cells) * cq_psOil; cq_ps[gaspos] += rs_perfcells * cq_psOil;
cq_ps[oilpos] += subset(state.rv,well_cells) * cq_psGas; cq_ps[oilpos] += rv_perfcells * cq_psGas;
} }
// phase rates at std. condtions
std::vector<ADB> q_ps(np, ADB::null());
for (int phase = 0; phase < np; ++phase) {
q_ps[phase] = wops_.p2w * cq_ps[phase];
}
// total rates at std
ADB qt_s = ADB::constant(V::Zero(nw), state.bhp.blockPattern());
for (int phase = 0; phase < np; ++phase) {
qt_s += subset(state.qs, Span(nw, 1, phase*nw));
}
// compute avg. and total wellbore phase volumetric rates at std. conds
const DataBlock compi = Eigen::Map<const DataBlock>(wells().comp_frac, nw, np);
std::vector<ADB> wbq(np, ADB::null());
ADB wbqt = ADB::constant(V::Zero(nw), state.pressure.blockPattern());
for (int phase = 0; phase < np; ++phase) {
const int pos = pu.phase_pos[phase];
wbq[phase] = (isInj * compi.col(pos)) * qt_s - q_ps[phase];
wbqt += wbq[phase];
}
// DUMPVAL(wbqt);
// check for dead wells
aliveWells = V::Constant(nw, 1.0);
for (int w = 0; w < nw; ++w) {
if (wbqt.value()[w] == 0) {
aliveWells[w] = 0.0;
}
}
// compute wellbore mixture at std conds
Selector<double> notDeadWells_selector(wbqt.value(), Selector<double>::Zero);
std::vector<ADB> mix_s(np, ADB::null());
for (int phase = 0; phase < np; ++phase) {
const int pos = pu.phase_pos[phase];
mix_s[phase] = notDeadWells_selector.select(ADB::constant(compi.col(pos)), wbq[phase]/wbqt);
}
// HANDLE FLOW OUT FROM WELLBORE // HANDLE FLOW OUT FROM WELLBORE
// Total mobilities // Using total mobilities
ADB mt = subset(rq_[0].mob,well_cells); ADB total_mob = mob_perfcells[0];
for (int phase = 1; phase < np; ++phase) { for (int phase = 1; phase < np; ++phase) {
mt += subset(rq_[phase].mob,well_cells); total_mob += mob_perfcells[phase];
}
// injection perforations total volume rates
const ADB cqt_i = -(selectInjectingPerforations * Tw) * (total_mob * drawdown);
// compute wellbore mixture for injecting perforations
// The wellbore mixture depends on the inflow from the reservoar
// and the well injection rates.
// compute avg. and total wellbore phase volumetric rates at standard conds
const DataBlock compi = Eigen::Map<const DataBlock>(wells().comp_frac, nw, np);
std::vector<ADB> wbq(np, ADB::null());
ADB wbqt = ADB::constant(V::Zero(nw));
for (int phase = 0; phase < np; ++phase) {
const ADB& q_ps = wops_.p2w * cq_ps[phase];
const ADB& q_s = subset(state.qs, Span(nw, 1, phase*nw));
Selector<double> injectingPhase_selector(q_s.value(), Selector<double>::GreaterZero);
const int pos = pu.phase_pos[phase];
wbq[phase] = (compi.col(pos) * injectingPhase_selector.select(q_s,ADB::constant(V::Zero(nw)))) - q_ps;
wbqt += wbq[phase];
} }
// DUMPVAL(ADB::constant(isInjInx)); // compute wellbore mixture at standard conditions.
// DUMPVAL(ADB::constant(Tw)); Selector<double> notDeadWells_selector(wbqt.value(), Selector<double>::Zero);
// DUMPVAL(mt);
// DUMPVAL(drawdown);
// injection connections total volumerates
ADB cqt_i = -(isInjInx * Tw) * (mt * drawdown);
// compute volume ratio between connection at standard conditions
ADB volRat = ADB::constant(V::Zero(nperf), state.pressure.blockPattern());
std::vector<ADB> cmix_s(np, ADB::null()); std::vector<ADB> cmix_s(np, ADB::null());
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
cmix_s[phase] = wops_.w2p * mix_s[phase]; const int pos = pu.phase_pos[phase];
cmix_s[phase] = wops_.w2p * notDeadWells_selector.select(ADB::constant(compi.col(pos)), wbq[phase]/wbqt);
} }
ADB well_rv = subset(state.rv,well_cells); // compute volume ratio between connection at standard conditions
ADB well_rs = subset(state.rs,well_cells); ADB volumeRatio = ADB::constant(V::Zero(nperf));
ADB d = V::Constant(nperf,1.0) - well_rv * well_rs; const ADB d = V::Constant(nperf,1.0) - rv_perfcells * rs_perfcells;
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
ADB tmp = cmix_s[phase]; ADB tmp = cmix_s[phase];
if (phase == Oil && active_[Gas]) { if (phase == Oil && active_[Gas]) {
const int gaspos = pu.phase_pos[Gas]; const int gaspos = pu.phase_pos[Gas];
tmp = tmp - subset(state.rv,well_cells) * cmix_s[gaspos] / d; tmp = tmp - rv_perfcells * cmix_s[gaspos] / d;
} }
if (phase == Gas && active_[Oil]) { if (phase == Gas && active_[Oil]) {
const int oilpos = pu.phase_pos[Oil]; const int oilpos = pu.phase_pos[Oil];
tmp = tmp - subset(state.rs,well_cells) * cmix_s[oilpos] / d; tmp = tmp - rs_perfcells * cmix_s[oilpos] / d;
} }
volRat += tmp / subset(rq_[phase].b,well_cells); volumeRatio += tmp / b_perfcells[phase];
} }
// DUMPVAL(cqt_i); // injecting connections total volumerates at standard conditions
// DUMPVAL(volRat); ADB cqt_is = cqt_i/volumeRatio;
// injecting connections total volumerates at std cond // connection phase volumerates at standard conditions
ADB cqt_is = cqt_i/volRat;
// connection phase volumerates at std cond
std::vector<ADB> cq_s(np, ADB::null()); std::vector<ADB> cq_s(np, ADB::null());
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
cq_s[phase] = cq_ps[phase] + (wops_.w2p * mix_s[phase])*cqt_is; cq_s[phase] = cq_ps[phase] + cmix_s[phase]*cqt_is;
} }
// DUMPVAL(mix_s[2]);
// DUMPVAL(cq_ps[2]);
// Add well contributions to mass balance equations // Add well contributions to mass balance equations
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
residual_.material_balance_eq[phase] -= superset(cq_s[phase],well_cells,nc); residual_.material_balance_eq[phase] -= superset(cq_s[phase],well_cells,nc);
} }
// Add well contributions to polymer mass balance equation // Add well contributions to polymer mass balance equation
if (has_polymer_) { if (has_polymer_) {
const ADB mc = computeMc(state); const ADB mc = computeMc(state);
@ -1123,19 +1066,27 @@ namespace detail {
const V poly_in_perf = subset(polyin, well_cells); const V poly_in_perf = subset(polyin, well_cells);
const V poly_mc_perf = subset(mc, well_cells).value(); const V poly_mc_perf = subset(mc, well_cells).value();
residual_.material_balance_eq[poly_pos_] -= superset(cq_ps[pu.phase_pos[Water]] * poly_mc_perf residual_.material_balance_eq[poly_pos_] -= superset(cq_ps[pu.phase_pos[Water]] * poly_mc_perf
+ (wops_.w2p * mix_s[pu.phase_pos[Water]])*cqt_is*poly_in_perf, + cmix_s[pu.phase_pos[Water]] * cqt_is*poly_in_perf,
well_cells, nc); well_cells, nc);
} }
// Add WELL EQUATIONS // WELL EQUATIONS
ADB qs = state.qs; ADB qs = state.qs;
for (int phase = 0; phase < np; ++phase) { for (int phase = 0; phase < np; ++phase) {
qs -= superset(wops_.p2w * cq_s[phase], Span(nw, 1, phase*nw), nw*np); qs -= superset(wops_.p2w * cq_s[phase], Span(nw, 1, phase*nw), nw*np);
} }
// check for dead wells (used in the well controll equations)
aliveWells = V::Constant(nw, 1.0);
for (int w = 0; w < nw; ++w) {
if (wbqt.value()[w] == 0) {
aliveWells[w] = 0.0;
}
}
// Update the perforation phase rates (used to calculate the pressure drop in the wellbore)
V cq = superset(cq_s[0].value(), Span(nperf, np, 0), nperf*np); V cq = superset(cq_s[0].value(), Span(nperf, np, 0), nperf*np);
for (int phase = 1; phase < np; ++phase) { for (int phase = 1; phase < np; ++phase) {
cq += superset(cq_s[phase].value(), Span(nperf, np, phase), nperf*np); cq += superset(cq_s[phase].value(), Span(nperf, np, phase), nperf*np);
@ -1153,23 +1104,22 @@ namespace detail {
namespace detail namespace detail
{ {
double rateToCompare(const ADB& well_phase_flow_rate, double rateToCompare(const std::vector<double>& well_phase_flow_rate,
const int well, const int well,
const int num_phases, const int num_phases,
const double* distr) const double* distr)
{ {
const int num_wells = well_phase_flow_rate.size() / num_phases;
double rate = 0.0; double rate = 0.0;
for (int phase = 0; phase < num_phases; ++phase) { for (int phase = 0; phase < num_phases; ++phase) {
// Important: well_phase_flow_rate is ordered with all rates for first // Important: well_phase_flow_rate is ordered with all phase rates for first
// phase coming first, then all for second phase etc. // well first, then all phase rates for second well etc.
rate += well_phase_flow_rate.value()[well + phase*num_wells] * distr[phase]; rate += well_phase_flow_rate[well*num_phases + phase] * distr[phase];
} }
return rate; return rate;
} }
bool constraintBroken(const ADB& bhp, bool constraintBroken(const std::vector<double>& bhp,
const ADB& well_phase_flow_rate, const std::vector<double>& well_phase_flow_rate,
const int well, const int well,
const int num_phases, const int num_phases,
const WellType& well_type, const WellType& well_type,
@ -1187,7 +1137,7 @@ namespace detail {
{ {
switch (ctrl_type) { switch (ctrl_type) {
case BHP: case BHP:
broken = bhp.value()[well] > target; broken = bhp[well] > target;
break; break;
case RESERVOIR_RATE: // Intentional fall-through case RESERVOIR_RATE: // Intentional fall-through
@ -1203,7 +1153,7 @@ namespace detail {
{ {
switch (ctrl_type) { switch (ctrl_type) {
case BHP: case BHP:
broken = bhp.value()[well] < target; broken = bhp[well] < target;
break; break;
case RESERVOIR_RATE: // Intentional fall-through case RESERVOIR_RATE: // Intentional fall-through
@ -1230,9 +1180,7 @@ namespace detail {
template<class T> template<class T>
void FullyImplicitBlackoilPolymerSolver<T>::updateWellControls(ADB& bhp, void FullyImplicitBlackoilPolymerSolver<T>::updateWellControls(WellStateFullyImplicitBlackoil& xw) const
ADB& well_phase_flow_rate,
WellStateFullyImplicitBlackoil& xw) const
{ {
if( ! wellsActive() ) return ; if( ! wellsActive() ) return ;
@ -1241,14 +1189,12 @@ namespace detail {
// switch control to first broken constraint. // switch control to first broken constraint.
const int np = wells().number_of_phases; const int np = wells().number_of_phases;
const int nw = wells().number_of_wells; const int nw = wells().number_of_wells;
bool bhp_changed = false;
bool rates_changed = false;
for (int w = 0; w < nw; ++w) { for (int w = 0; w < nw; ++w) {
const WellControls* wc = wells().ctrls[w]; const WellControls* wc = wells().ctrls[w];
// The current control in the well state overrides // The current control in the well state overrides
// the current control set in the Wells struct, which // the current control set in the Wells struct, which
// is instead treated as a default. // is instead treated as a default.
const int current = xw.currentControls()[w]; int current = xw.currentControls()[w];
// Loop over all controls except the current one, and also // Loop over all controls except the current one, and also
// skip any RESERVOIR_RATE controls, since we cannot // skip any RESERVOIR_RATE controls, since we cannot
// handle those. // handle those.
@ -1261,7 +1207,7 @@ namespace detail {
// inequality constraint, and therefore skipped. // inequality constraint, and therefore skipped.
continue; continue;
} }
if (detail::constraintBroken(bhp, well_phase_flow_rate, w, np, wells().type[w], wc, ctrl_index)) { if (detail::constraintBroken(xw.bhp(), xw.wellRates(), w, np, wells().type[w], wc, ctrl_index)) {
// ctrl_index will be the index of the broken constraint after the loop. // ctrl_index will be the index of the broken constraint after the loop.
break; break;
} }
@ -1275,15 +1221,16 @@ namespace detail {
<< " to " << modestring[well_controls_iget_type(wc, ctrl_index)] << std::endl; << " to " << modestring[well_controls_iget_type(wc, ctrl_index)] << std::endl;
} }
xw.currentControls()[w] = ctrl_index; xw.currentControls()[w] = ctrl_index;
// Also updating well state and primary variables. current = xw.currentControls()[w];
// We can only be switching to BHP and SURFACE_RATE }
// controls since we do not support RESERVOIR_RATE.
const double target = well_controls_iget_target(wc, ctrl_index); // Updating well state and primary variables.
const double* distr = well_controls_iget_distr(wc, ctrl_index); // Target values are used as initial conditions for BHP and SURFACE_RATE
switch (well_controls_iget_type(wc, ctrl_index)) { const double target = well_controls_iget_target(wc, current);
const double* distr = well_controls_iget_distr(wc, current);
switch (well_controls_iget_type(wc, current)) {
case BHP: case BHP:
xw.bhp()[w] = target; xw.bhp()[w] = target;
bhp_changed = true;
break; break;
case RESERVOIR_RATE: case RESERVOIR_RATE:
@ -1291,10 +1238,6 @@ namespace detail {
// surface condition. In this case, use existing // surface condition. In this case, use existing
// flow rates as initial conditions as reservoir // flow rates as initial conditions as reservoir
// rate acts only in aggregate. // rate acts only in aggregate.
//
// Just record the fact that we need to recompute
// the 'well_phase_flow_rate'.
rates_changed = true;
break; break;
case SURFACE_RATE: case SURFACE_RATE:
@ -1303,34 +1246,14 @@ namespace detail {
xw.wellRates()[np*w + phase] = target * distr[phase]; xw.wellRates()[np*w + phase] = target * distr[phase];
} }
} }
rates_changed = true;
break; break;
} }
}
}
// Update primary variables, if necessary.
if (bhp_changed) {
ADB::V new_bhp = Eigen::Map<ADB::V>(xw.bhp().data(), nw);
// Avoiding the copy below would require a value setter method
// in AutoDiffBlock.
std::vector<ADB::M> old_derivs = bhp.derivative();
bhp = ADB::function(std::move(new_bhp), std::move(old_derivs));
}
if (rates_changed) {
// Need to reshuffle well rates, from phase running fastest
// to wells running fastest.
// The transpose() below switches the ordering.
const DataBlock wrates = Eigen::Map<const DataBlock>(xw.wellRates().data(), nw, np).transpose();
ADB::V new_qs = Eigen::Map<const V>(wrates.data(), nw*np);
std::vector<ADB::M> old_derivs = well_phase_flow_rate.derivative();
well_phase_flow_rate = ADB::function(std::move(new_qs), std::move(old_derivs));
} }
} }
template<class T> template<class T>
void FullyImplicitBlackoilPolymerSolver<T>::addWellControlEq(const SolutionState& state, void FullyImplicitBlackoilPolymerSolver<T>::addWellControlEq(const SolutionState& state,
const WellStateFullyImplicitBlackoil& xw, const WellStateFullyImplicitBlackoil& xw,
@ -1814,65 +1737,66 @@ namespace detail {
return cp[Gas].value() + po; return cp[Gas].value() + po;
} }
template<class T> template<class T>
void void
FullyImplicitBlackoilPolymerSolver<T>::computeMassFlux(const V& transi, FullyImplicitBlackoilPolymerSolver<T>::computeMassFlux(const int actph ,
const std::vector<ADB>& kr , const V& transi,
const std::vector<ADB>& phasePressure, const ADB& kr ,
const ADB& phasePressure,
const SolutionState& state) const SolutionState& state)
{ {
for (int phase = 0; phase < fluid_.numPhases(); ++phase) { const int canonicalPhaseIdx = canph_[ actph ];
const int canonicalPhaseIdx = canph_[phase];
const std::vector<PhasePresence> cond = phaseCondition(); const std::vector<PhasePresence> cond = phaseCondition();
const ADB tr_mult = transMult(state.pressure); const ADB tr_mult = transMult(state.pressure);
const ADB mu = fluidViscosity(canonicalPhaseIdx, phasePressure[canonicalPhaseIdx], state.temperature, state.rs, state.rv,cond, cells_); const ADB mu = fluidViscosity(canonicalPhaseIdx, phasePressure, state.temperature, state.rs, state.rv,cond, cells_);
rq_[phase].mob = tr_mult * kr[canonicalPhaseIdx] / mu; rq_[ actph ].mob = tr_mult * kr / mu;
const ADB rho = fluidDensity(canonicalPhaseIdx, phasePressure[canonicalPhaseIdx], state.temperature, state.rs, state.rv,cond, cells_); const ADB rho = fluidDensity(canonicalPhaseIdx, phasePressure, state.temperature, state.rs, state.rv,cond, cells_);
ADB& head = rq_[phase].head; ADB& head = rq_[ actph ].head;
// compute gravity potensial using the face average as in eclipse and MRST // compute gravity potensial using the face average as in eclipse and MRST
const ADB rhoavg = ops_.caver * rho; const ADB rhoavg = ops_.caver * rho;
ADB dp = ops_.ngrad * phasePressure[canonicalPhaseIdx] - geo_.gravity()[2] * (rhoavg * (ops_.ngrad * geo_.z().matrix())); ADB dp = ops_.ngrad * phasePressure - geo_.gravity()[2] * (rhoavg * (ops_.ngrad * geo_.z().matrix()));
if (use_threshold_pressure_) { if (use_threshold_pressure_) {
applyThresholdPressures(dp); applyThresholdPressures(dp);
} }
head = transi*dp; head = transi*dp;
if (canonicalPhaseIdx == Water) { if (canonicalPhaseIdx == Water) {
if(has_polymer_) { if(has_polymer_) {
const ADB cmax = ADB::constant(cmax_, state.concentration.blockPattern()); const ADB cmax = ADB::constant(cmax_, state.concentration.blockPattern());
const ADB mc = computeMc(state); const ADB mc = computeMc(state);
ADB krw_eff = polymer_props_ad_.effectiveRelPerm(state.concentration, ADB krw_eff = polymer_props_ad_.effectiveRelPerm(state.concentration,
cmax, cmax,
kr[canonicalPhaseIdx], kr,
state.saturation[canonicalPhaseIdx]); state.saturation[canonicalPhaseIdx]);
ADB inv_wat_eff_visc = polymer_props_ad_.effectiveInvWaterVisc(state.concentration, mu.value().data()); ADB inv_wat_eff_visc = polymer_props_ad_.effectiveInvWaterVisc(state.concentration, mu.value().data());
rq_[phase].mob = tr_mult * krw_eff * inv_wat_eff_visc; rq_[actph].mob = tr_mult * krw_eff * inv_wat_eff_visc;
rq_[poly_pos_].mob = tr_mult * mc * krw_eff * inv_wat_eff_visc; rq_[poly_pos_].mob = tr_mult * mc * krw_eff * inv_wat_eff_visc;
rq_[poly_pos_].b = rq_[phase].b; rq_[poly_pos_].b = rq_[actph].b;
rq_[poly_pos_].head = rq_[phase].head; rq_[poly_pos_].head = rq_[actph].head;
UpwindSelector<double> upwind(grid_, ops_, rq_[poly_pos_].head.value()); UpwindSelector<double> upwind(grid_, ops_, rq_[poly_pos_].head.value());
rq_[poly_pos_].mflux = upwind.select(rq_[poly_pos_].b * rq_[poly_pos_].mob) * rq_[poly_pos_].head; rq_[poly_pos_].mflux = upwind.select(rq_[poly_pos_].b * rq_[poly_pos_].mob) * rq_[poly_pos_].head;
} }
} }
//head = transi*(ops_.ngrad * phasePressure) + gflux; //head = transi*(ops_.ngrad * phasePressure) + gflux;
UpwindSelector<double> upwind(grid_, ops_, head.value()); UpwindSelector<double> upwind(grid_, ops_, head.value());
const ADB& b = rq_[phase].b; const ADB& b = rq_[ actph ].b;
const ADB& mob = rq_[phase].mob; const ADB& mob = rq_[ actph ].mob;
rq_[phase].mflux = upwind.select(b * mob) * head; rq_[ actph ].mflux = upwind.select(b * mob) * head;
// DUMP(rq_[ actph ].mob);
// DUMP(rq_[ actph ].mflux);
} }
}