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tracking if wells are newly added in WellStateFullyImplicitBlackoil

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For a newly added well, the initialized rate cans cause big problem when
applied to VFP interploation when THP control is involved.
This commit is contained in:
Kai Bao
2017-04-03 15:07:56 +02:00
parent a8ae9276c5
commit ef7769b77e
3 changed files with 44 additions and 6 deletions
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27
opm/autodiff/StandardWellsDense_impl.hpp
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@@ -1729,7 +1729,7 @@ namespace Opm {
StandardWellsDense<FluidSystem, BlackoilIndices, ElementContext, MaterialLaw>::
computeWellPotentials(const Simulator& ebosSimulator,
const WellState& well_state,
std::vector<double>& well_potentials) const
std::vector<double>& well_potentials) const
{
// number of wells and phases
@@ -1755,10 +1755,21 @@ namespace Opm {
computeWellRatesWithBhp(ebosSimulator, bhp, w, potentials);
} else { // the well has a THP related constraint
for (int p = 0; p < np; ++p) {
// TODO: this is dangerous for new added well
// since we are not handling the initialization correctly for now
potentials[p] = well_state.wellRates()[w * np + p];
// checking whether a well is newly added, it only happens at the beginning of the report step
if ( !well_state.isNewWell(w) ) {
for (int p = 0; p < np; ++p) {
// TODO: this is dangerous for new added well
// since we are not handling the initialization correctly for now
potentials[p] = well_state.wellRates()[w * np + p];
}
} else {
// We need to generate a reasonable rates to start the iteration process
computeWellRatesWithBhp(ebosSimulator, bhp, w, potentials);
for (double& value : potentials) {
// make the value a little safer in case the BHP limits are default ones
// TODO: a better way should be a better rescaling based on the investigation of the VFP table.
value *= 0.001;
}
}
potentials = computeWellPotentialWithTHP(ebosSimulator, w, bhp, potentials);
@@ -1875,6 +1886,12 @@ namespace Opm {
const int control = well_controls_get_current(wc);
well_state.currentControls()[w] = control;
updateWellStateWithTarget(wc, control, w, well_state);
// The wells are not considered to be newly added
// for next time step
if (well_state.isNewWell(w) ) {
well_state.setNewWell(w, false);
}
}
}