void test_flowsolver(const GI& g, const RI& r, double tol, int kind)
{
typedef typename GI::CellIterator CI;
typedef typename CI::FaceIterator FI;
typedef double (*SolutionFuncPtr)(const Vec&);
//typedef Opm::BasicBoundaryConditions<true, false> FBC;
typedef Opm::FunctionBoundaryConditions<SolutionFuncPtr> FBC;
typedef Opm::IncompFlowSolverHybrid<GI, RI, FBC,
Opm::MimeticIPEvaluator> FlowSolver;
FlowSolver solver;
// FBC flow_bc;
// assign_bc(g, flow_bc);
FBC flow_bc(&u);
typename CI::Vector gravity(0.0);
std::cout << "========== Init pressure solver =============" << std::endl;
Opm::time::StopWatch rolex;
rolex.start();
solver.init(g, r, gravity, flow_bc);
rolex.stop();
std::cout << "========== Time in seconds: " << rolex.secsSinceStart() << " =============" << std::endl;
std::vector<double> src(g.numberOfCells(), 0.0);
assign_src(g, src);
std::vector<double> sat(g.numberOfCells(), 0.0);
std::cout << "========== Starting pressure solve =============" << std::endl;
rolex.start();
solver.solve(r, sat, flow_bc, src, tol, 3, kind);
rolex.stop();
std::cout << "========== Time in seconds: " << rolex.secsSinceStart() << " =============" << std::endl;
typedef typename FlowSolver::SolutionType FlowSolution;
FlowSolution soln = solver.getSolution();
std::vector<typename GI::Vector> cell_velocity;
estimateCellVelocity(cell_velocity, g, solver.getSolution());
// Dune's vtk writer wants multi-component data to be flattened.
std::vector<double> cell_velocity_flat(&*cell_velocity.front().begin(),
&*cell_velocity.back().end());
std::vector<double> cell_pressure;
getCellPressure(cell_pressure, g, soln);
compare_pressure(g, cell_pressure);
Dune::VTKWriter<typename GI::GridType::LeafGridView> vtkwriter(g.grid().leafView());
vtkwriter.addCellData(cell_velocity_flat, "velocity", GI::GridType::dimension);
vtkwriter.addCellData(cell_pressure, "pressure");
vtkwriter.write("testsolution-" + boost::lexical_cast<std::string>(0),
Dune::VTKOptions::ascii);
}
// ----------------- Main program -----------------
int
main(int argc, char** argv)
try
{
using namespace Opm;
if (argc <= 1) {
usage();
exit(1);
}
const char* eclipseFilename = argv[1];
EclipseStateConstPtr eclState;
ParserPtr parser(new Opm::Parser);
Opm::ParseContext parseContext({{ ParseContext::PARSE_RANDOM_SLASH , InputError::IGNORE },
{ ParseContext::PARSE_UNKNOWN_KEYWORD, InputError::IGNORE},
{ ParseContext::PARSE_RANDOM_TEXT, InputError::IGNORE},
{ ParseContext::UNSUPPORTED_SCHEDULE_GEO_MODIFIER, InputError::IGNORE},
{ ParseContext::UNSUPPORTED_COMPORD_TYPE, InputError::IGNORE},
{ ParseContext::UNSUPPORTED_INITIAL_THPRES, InputError::IGNORE},
{ ParseContext::INTERNAL_ERROR_UNINITIALIZED_THPRES, InputError::IGNORE}
});
Opm::DeckConstPtr deck(parser->parseFile(eclipseFilename, parseContext));
eclState.reset(new EclipseState(deck, parseContext));
GridManager gm(deck);
const UnstructuredGrid& grid = *gm.c_grid();
using boost::filesystem::path;
path fpath(eclipseFilename);
std::string baseName;
if (boost::to_upper_copy(path(fpath.extension()).string())== ".DATA") {
baseName = path(fpath.stem()).string();
} else {
baseName = path(fpath.filename()).string();
}
std::string logFile = baseName + ".SATFUNCLOG";
Opm::time::StopWatch timer;
timer.start();
RelpermDiagnostics diagnostic(logFile);
diagnostic.diagnosis(eclState, deck, grid);
timer.stop();
double tt = timer.secsSinceStart();
std::cout << "relperm diagnostics: " << tt << " seconds." << std::endl;
}
catch (const std::exception &e) {
std::cerr << "Program threw an exception: " << e.what() << "\n";
throw;
}
bool EulerUpstreamImplicit<GI, RP, BC>::transportSolve(std::vector<double>& saturation,
const double time,
const typename GI::Vector& /* gravity */,
const PressureSolution& pressure_sol,
const Opm::SparseVector<double>& /* injection_rates */) const
{
Opm::ReservoirState<2> state(mygrid_.c_grid());
{
std::vector<double>& sat = state.saturation();
for (int i=0; i < mygrid_.numCells(); ++i){
sat[2*i] = saturation[i];
sat[2*i+1] = 1-saturation[i];
}
}
//int count=0;
const UnstructuredGrid* cgrid = mygrid_.c_grid();
int numhf = cgrid->cell_facepos[cgrid->number_of_cells];
std::vector<double> faceflux(numhf);
for (int c = 0, i = 0; c < cgrid->number_of_cells; ++c){
for (; i < cgrid->cell_facepos[c + 1]; ++i) {
int f= cgrid->cell_faces[i];
double outflux = pressure_sol.outflux(i);
double sgn = 2.0*(cgrid->face_cells[2*f + 0] == c) - 1;
faceflux[f] = sgn * outflux;
}
}
int num_db=direclet_hfaces_.size();
std::vector<double> sflux(num_db);
for (int i=0; i < num_db;++i){
sflux[i]=-pressure_sol.outflux(direclet_hfaces_[i]);
}
state.faceflux()=faceflux;
double dt_transport = time;
int nr_transport_steps = 1;
Opm::time::StopWatch clock;
int repeats = 0;
bool finished = false;
clock.start();
TwophaseFluid myfluid(myrp_);
double* tmp_grav=0;
const UnstructuredGrid& c_grid=*mygrid_.c_grid();
TransportModel model(myfluid,c_grid,porevol_,tmp_grav);
model.makefhfQPeriodic(periodic_faces_,periodic_hfaces_, periodic_nbfaces_);
model.initGravityTrans(*mygrid_.c_grid(),htrans_);
TransportSolver tsolver(model);
LinearSolver linsolve_;
Opm::ImplicitTransportDetails::NRReport rpt_;
Opm::TransportSource tsrc;//create_transport_source(0, 2);
// the input flux is assumed to be the saturation times the flux in the transport solver
tsrc.nsrc =direclet_cells_.size();
tsrc.saturation = direclet_sat_;
tsrc.cell = direclet_cells_;
tsrc.flux = sflux;
while (!finished) {
for (int q = 0; q < nr_transport_steps; ++q) {
tsolver.solve(*mygrid_.c_grid(), &tsrc, dt_transport, ctrl_, state, linsolve_, rpt_);
if(rpt_.flag<0){
break;
}
}
if(!(rpt_.flag<0) ){
finished =true;
}else{
if(repeats >max_repeats_){
finished=true;
}else{
OPM_MESSAGE("Warning: Transport failed, retrying with more steps.");
nr_transport_steps *= 2;
dt_transport = time/nr_transport_steps;
if (ctrl_.verbosity){
std::cout << "Warning: Transport failed, retrying with more steps. dt = "
<< dt_transport/Opm::unit::year << " year.\n";
}
std::vector<double>& sat = state.saturation();
for (int i=0; i < mygrid_.numCells(); ++i){
sat[2*i] = saturation[i];
sat[2*i+1] = 1-saturation[i];
}
}
}
repeats +=1;
}
clock.stop();
std::cout << "EulerUpstreamImplicite used " << repeats
<< " repeats and " << nr_transport_steps <<" steps"<< std::endl;
#ifdef VERBOSE
std::cout << "Seconds taken by transport solver: " << clock.secsSinceStart() << std::endl;
#endif // VERBOSE
{
std::vector<double>& sat = state.saturation();
for (int i=0; i < mygrid_.numCells(); ++i){
saturation[i] = sat[2*i];
}
}
if((rpt_.flag<0)){
std::cerr << "EulerUpstreamImplicit did not converge" << std::endl;
return false;
}else{
return true;
}
}
void buildFaceIndices()
{
#ifdef VERBOSE
std::cout << "Building unique face indices... " << std::flush;
Opm::time::StopWatch clock;
clock.start();
#endif
typedef CellIterator CI;
typedef typename CI::FaceIterator FI;
// We build the actual cell to face mapping in two passes.
// [code mostly lifted from IncompFlowSolverHybrid::enumerateGridDof(),
// but with a twist: This code builds a mapping from cells in index
// order to unique face numbers, while the mapping built in the
// enumerateGridDof() method was ordered by cell iterator order]
// Allocate and reserve structures.
const int nc = numberOfCells();
std::vector<int> cell(nc, -1);
std::vector<int> num_faces(nc); // In index order.
std::vector<int> fpos; fpos .reserve(nc + 1);
std::vector<int> num_cf; num_cf.reserve(nc); // In iterator order.
std::vector<int> faces ;
// First pass: enumerate internal faces.
int cellno = 0; fpos.push_back(0);
int tot_ncf = 0, tot_ncf2 = 0, max_ncf = 0;
for (CI c = cellbegin(); c != cellend(); ++c, ++cellno) {
const int c0 = c->index();
ASSERT((0 <= c0) && (c0 < nc) && (cell[c0] == -1));
cell[c0] = cellno;
num_cf.push_back(0);
int& ncf = num_cf.back();
for (FI f = c->facebegin(); f != c-> faceend(); ++f) {
if (!f->boundary()) {
const int c1 = f->neighbourCellIndex();
ASSERT((0 <= c1) && (c1 < nc) && (c1 != c0));
if (cell[c1] == -1) {
// Previously undiscovered internal face.
faces.push_back(c1);
}
}
++ncf;
}
num_faces[c0] = ncf;
fpos.push_back(int(faces.size()));
max_ncf = std::max(max_ncf, ncf);
tot_ncf += ncf;
tot_ncf2 += ncf * ncf;
}
ASSERT(cellno == nc);
// Build cumulative face sizes enabling direct insertion of
// face indices into cfdata later.
std::vector<int> cumul_num_faces(numberOfCells() + 1);
cumul_num_faces[0] = 0;
std::partial_sum(num_faces.begin(), num_faces.end(), cumul_num_faces.begin() + 1);
// Avoid (most) allocation(s) inside 'c' loop.
std::vector<int> l2g;
l2g.reserve(max_ncf);
std::vector<double> cfdata(tot_ncf);
int total_num_faces = int(faces.size());
// Second pass: build cell-to-face mapping, including boundary.
typedef std::vector<int>::iterator VII;
for (CI c = cellbegin(); c != cellend(); ++c) {
const int c0 = c->index();
ASSERT ((0 <= c0 ) && ( c0 < nc) &&
(0 <= cell[c0]) && (cell[c0] < nc));
const int ncf = num_cf[cell[c0]];
l2g.resize(ncf, 0);
for (FI f = c->facebegin(); f != c->faceend(); ++f) {
if (f->boundary()) {
// External, not counted before. Add new face...
l2g[f->localIndex()] = total_num_faces++;
} else {
// Internal face. Need to determine during
// traversal of which cell we discovered this
// face first, and extract the face number
// from the 'faces' table range of that cell.
// Note: std::find() below is potentially
// *VERY* expensive (e.g., large number of
// seeks in moderately sized data in case of
// faulted cells).
const int c1 = f->neighbourCellIndex();
ASSERT ((0 <= c1 ) && ( c1 < nc) &&
(0 <= cell[c1]) && (cell[c1] < nc));
int t = c0, seek = c1;
if (cell[seek] < cell[t])
std::swap(t, seek);
int s = fpos[cell[t]], e = fpos[cell[t] + 1];
VII p = std::find(faces.begin() + s, faces.begin() + e, seek);
ASSERT(p != faces.begin() + e);
l2g[f->localIndex()] = p - faces.begin();
}
}
ASSERT(int(l2g.size()) == num_faces[c0]);
std::copy(l2g.begin(), l2g.end(), cfdata.begin() + cumul_num_faces[c0]);
}
num_faces_ = total_num_faces;
max_faces_per_cell_ = max_ncf;
face_indices_.assign(cfdata.begin(), cfdata.end(),
num_faces.begin(), num_faces.end());
#ifdef VERBOSE
clock.stop();
double elapsed = clock.secsSinceStart();
std::cout << "done. Time elapsed: " << elapsed << std::endl;
#endif
}
void EulerUpstream<GI, RP, BC>::transportSolve(std::vector<double>& saturation,
const double time,
const typename GI::Vector& gravity,
const PressureSolution& pressure_sol,
const Opm::SparseVector<double>& injection_rates) const
{
// Compute the cfl time-step.
double cfl_dt = computeCflTime(saturation, time, gravity, pressure_sol);
// Compute the number of small steps to take, and the actual small timestep.
int nr_transport_steps;
if (cfl_dt > time){
nr_transport_steps = minimum_small_steps_;
} else {
double steps = std::min<double>(std::ceil(time/cfl_dt), std::numeric_limits<int>::max());
nr_transport_steps = int(steps);
nr_transport_steps = std::max(nr_transport_steps, minimum_small_steps_);
nr_transport_steps = std::min(nr_transport_steps, maximum_small_steps_);
}
double dt_transport = time/nr_transport_steps;
// Do the timestepping. The try-catch blocks are there to handle
// the situation that smallTimeStep throws, which may happen due
// to saturation out of bounds (if check_sat_ is true).
// We cannot guarantee that this does not happen, since we do not
// (yet) compute a capillary cfl condition.
// Using exception for "alternate control flow" like this is bad
// design, should rather use error return values for this.
std::vector<double> saturation_initial(saturation);
bool finished = false;
int repeats = 0;
const int max_repeats = 10;
Opm::time::StopWatch clock;
clock.start();
while (!finished) {
try {
#ifdef VERBOSE
std::cout << "Doing " << nr_transport_steps
<< " steps for saturation equation with stepsize "
<< dt_transport << " in seconds." << std::endl;
#endif // VERBOSE
for (int q = 0; q < nr_transport_steps; ++q) {
smallTimeStep(saturation,
dt_transport,
gravity,
pressure_sol,
injection_rates);
}
finished = true;
}
catch (...) {
++repeats;
if (repeats > max_repeats) {
throw;
}
OPM_MESSAGE("Warning: Transport failed, retrying with more steps.");
nr_transport_steps *= 2;
dt_transport = time/nr_transport_steps;
saturation = saturation_initial;
}
}
clock.stop();
#ifdef VERBOSE
std::cout << "Seconds taken by transport solver: " << clock.secsSinceStart() << std::endl;
#endif // VERBOSE
}
void ImplicitCapillarity<GI, RP, BC, IP>::transportSolve(std::vector<double>& saturation,
const double /*time*/,
const typename GI::Vector& gravity,
const PressureSolution& pressure_sol,
const Opm::SparseVector<double>& injection_rates) const
{
// Start a timer.
Opm::time::StopWatch clock;
clock.start();
// Compute capillary mobilities.
typedef typename RP::Mobility Mob;
int num_cells = saturation.size();
std::vector<Mob> cap_mob(num_cells);
for (int c = 0; c < num_cells; ++c) {
Mob& m = cap_mob[c];
residual_.reservoirProperties().phaseMobility(0, c, saturation[c], m.mob);
Mob mob2;
residual_.reservoirProperties().phaseMobility(1, c, saturation[c], mob2.mob);
Mob mob_tot;
mob_tot.setToSum(m, mob2);
Mob mob_totinv;
mob_totinv.setToInverse(mob_tot);
m *= mob_totinv;
m *= mob2;
ImplicitCapillarityDetails::thresholdMobility(m.mob, 1e-10); // @@TODO: User-set limit.
// std::cout << m.mob(0,0) << '\n';
}
ReservoirPropertyFixedMobility<Mob> capillary_mobilities(cap_mob);
// Set up boundary conditions.
BC cap_press_bcs(residual_.boundaryConditions());
for (int i = 0; i < cap_press_bcs.size(); ++i) {
if (cap_press_bcs.flowCond(i).isPeriodic()) {
cap_press_bcs.flowCond(i) = FlowBC(FlowBC::Periodic, 0.0);
}
}
// Compute injection rates from residual.
std::vector<double> injection_rates_residual(num_cells);
residual_.computeResidual(saturation, gravity, pressure_sol, injection_rates,
method_viscous_, method_gravity_, false,
injection_rates_residual);
for (int i = 0; i < num_cells; ++i) {
injection_rates_residual[i] = -injection_rates_residual[i];
}
// Compute capillary pressure.
// Note that the saturation is just a dummy for this call, since the mobilities are fixed.
psolver_.solve(capillary_mobilities, saturation, cap_press_bcs, injection_rates_residual,
residual_tolerance_, linsolver_verbosity_, linsolver_type_);
// Solve for constant to change capillary pressure solution by.
std::vector<double> cap_press(num_cells);
const PressureSolution& pcapsol = psolver_.getSolution();
for (CIt c = residual_.grid().cellbegin(); c != residual_.grid().cellend(); ++c) {
cap_press[c->index()] = pcapsol.pressure(c);
}
MatchSaturatedVolumeFunctor<GI, RP> functor(residual_.grid(),
residual_.reservoirProperties(),
saturation,
cap_press);
double min_cap_press = *std::min_element(cap_press.begin(), cap_press.end());
double max_cap_press = *std::max_element(cap_press.begin(), cap_press.end());
double cap_press_range = max_cap_press - min_cap_press;
double mod_low = 1e100;
double mod_high = -1e100;
Opm::bracketZero(functor, 0.0, cap_press_range, mod_low, mod_high);
const int max_iter = 40;
const double nonlinear_tolerance = 1e-12;
int iterations_used = -1;
typedef Opm::RegulaFalsi<Opm::ThrowOnError> RootFinder;
double mod_correct = RootFinder::solve(functor, mod_low, mod_high, max_iter, nonlinear_tolerance, iterations_used);
std::cout << "Moved capillary pressure solution by " << mod_correct << " after "
<< iterations_used << " iterations." << std::endl;
// saturation = functor.lastSaturations();
const std::vector<double>& sat_new = functor.lastSaturations();
for (int i = 0; i < num_cells; ++i) {
saturation[i] = (1.0 - update_relaxation_)*saturation[i] + update_relaxation_*sat_new[i];
}
// Optionally check and/or clamp results.
if (check_sat_ || clamp_sat_) {
checkAndPossiblyClampSat(saturation);
}
// Stop timer and optionally print seconds taken.
clock.stop();
#ifdef VERBOSE
std::cout << "Seconds taken by transport solver: " << clock.secsSinceStart() << std::endl;
#endif // VERBOSE
}
