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simplify limited liquid group rate calculations

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Tor Harald Sandve 2024-10-21 08:33:20 +02:00
parent 85da447f87
commit 363e3c2f4a
1 changed files with 1 additions and 19 deletions
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20
opm/simulators/wells/GasLiftSingleWellGeneric.cpp
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@ -768,25 +768,7 @@ getLiquidRateWithGroupLimit_(const Scalar new_oil_rate,
= getRateWithGroupLimit_(Rate::liquid, new_liquid_rate, liquid_rate, gr_name_dont_limit); = getRateWithGroupLimit_(Rate::liquid, new_liquid_rate, liquid_rate, gr_name_dont_limit);
bool limited = group_name != nullptr; bool limited = group_name != nullptr;
if (limited) { if (limited) {
// the oil, gas, and water cases can be handled directly by Scalar oil_fraction = new_oil_rate / new_liquid_rate;
// getRateWithGroupLimit_() above. However, for the liquid case
// we must do some postprocessing. I chose to include it here
// instead of cluttering up getRateWithGroupLimit_() with this
// special case.
Scalar delta_water = new_water_rate - water_rate;
Scalar delta_oil = new_oil_rate - oil_rate;
Scalar gr_water_rate = this->group_info_.waterRate(*group_name);
Scalar gr_oil_rate = this->group_info_.oilRate(*group_name);
// NOTE: these rates are too large according to the limited liquid rate
// but it does not matter since we are only using them to calculate
// the fraction of the liquid corresponding to the oil phase
Scalar new_gr_water_rate = gr_water_rate + efficiency * delta_water;
Scalar new_gr_oil_rate = gr_oil_rate + efficiency * delta_oil;
Scalar new_gr_liquid_rate = new_gr_water_rate + new_gr_oil_rate;
Scalar oil_fraction = new_gr_oil_rate / new_gr_liquid_rate;
Scalar delta_liquid = liquid_rate_limited - liquid_rate; Scalar delta_liquid = liquid_rate_limited - liquid_rate;
auto limited_oil_rate = oil_rate + oil_fraction * delta_liquid; auto limited_oil_rate = oil_rate + oil_fraction * delta_liquid;
auto limited_water_rate = water_rate + (1.0 - oil_fraction) * delta_liquid; auto limited_water_rate = water_rate + (1.0 - oil_fraction) * delta_liquid;