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updates according to Atgeirrs comments

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This commit is contained in:
Stein Krogstad
2023-12-07 12:15:40 +01:00
parent 1fd1c5afc6
commit 7c91c015cf
8 changed files with 61 additions and 60 deletions
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11
opm/simulators/wells/MultisegmentWell_impl.hpp
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@@ -1312,8 +1312,8 @@ namespace Opm
{
// Compute IPR based on *converged* well-equation:
// For a component rate r the derivative dr/dbhp is obtained by
// dr/dbhp = - (partial r/partial x) * inv(partial Eq/partial x) * (partial Eq/partial control_value)
// where Eq(x)=0 is the well equation setup with bhp control and primary varables x
// dr/dbhp = - (partial r/partial x) * inv(partial Eq/partial x) * (partial Eq/partial bhp_target)
// where Eq(x)=0 is the well equation setup with bhp control and primary variables x
// We shouldn't have zero rates at this stage, but check
bool zero_rates;
@@ -1363,6 +1363,7 @@ namespace Opm
const EvalWell comp_rate = this->primary_variables_.getQs(comp_idx);
const int idx = this->ebosCompIdxToFlowCompIdx(comp_idx);
for (size_t pvIdx = 0; pvIdx < num_eq; ++pvIdx) {
// well primary variable derivatives in EvalWell start at position Indices::numEq
ws.implicit_ipr_b[idx] -= x_well[0][pvIdx]*comp_rate.derivative(pvIdx+Indices::numEq);
}
ws.implicit_ipr_a[idx] = ws.implicit_ipr_b[idx]*ws.bhp - comp_rate.value();
@@ -1610,7 +1611,9 @@ namespace Opm
this->regularize_ = false;
const auto& summary_state = ebosSimulator.vanguard().summaryState();
// Max status switch frequency should be 2 to avoid getting stuck in cycle
// Always take a few (more than one) iterations after a switch before allowing a new switch
// The optimal number here is subject to further investigation, but it has been observerved
// that unless this number is >1, we may get stuck in a cycle
const int min_its_after_switch = 3;
int its_since_last_switch = min_its_after_switch;
int switch_count= 0;
@@ -1754,7 +1757,7 @@ namespace Opm
} else {
this->wellStatus_ = well_status_orig;
this->operability_status_ = operability_orig;
const std::string message = fmt::format(" Well {} did not converged in {} inner iterations ("
const std::string message = fmt::format(" Well {} did not converge in {} inner iterations ("
"{} control/status switches).", this->name(), it, switch_count);
deferred_logger.debug(message);
}