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Update CompressibleTpfa wellbore gravity handling.

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Should now be in sync with cfs_tpfa_residual C interface. Simple well
gravity model implemented.
More flexibility in well gravity models would be a natural future extension.
This commit is contained in:
Atgeirr Flø Rasmussen 2012-11-06 19:28:22 +01:00
parent ab71ea4780
commit 6324408357
1 changed files with 8 additions and 16 deletions
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24
opm/core/pressure/CompressibleTpfa.cpp
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@ -217,7 +217,7 @@ namespace Opm
const int dim = grid_.dimensions;
const double grav = gravity_ ? gravity_[dim - 1] : 0.0;
wellperf_wdp_.clear();
wellperf_wdp_.resize(np*nperf, 0.0);
wellperf_wdp_.resize(nperf, 0.0);
if (not (std::abs(grav) > 0.0)) {
return;
}
@ -228,9 +228,9 @@ namespace Opm
// Main loop, iterate over all perforations,
// using the following formula (by phase):
// gpot(perf) = g*(perf_z - well_ref_z)*rho(perf)
// where the phase densities rho(perf) are taken to be
// the densities in the perforation cell.
// wdp(perf) = g*(perf_z - well_ref_z)*rho(perf)
// where the total density rho(perf) is taken to be
// sum_p (rho_p*saturation_p) in the perforation cell.
for (int w = 0; w < nw; ++w) {
const double ref_depth = wells_->depth_ref[w];
for (int j = wells_->well_connpos[w]; j < wells_->well_connpos[w + 1]; ++j) {
@ -239,7 +239,8 @@ namespace Opm
props_.matrix(1, &state.pressure()[cell], &state.surfacevol()[np*cell], &cell, &A[0], 0);
props_.density(1, &A[0], &rho[0]);
for (int phase = 0; phase < np; ++phase) {
wellperf_wdp_[np*j + phase] = rho[phase]*grav*(cell_depth - ref_depth);
const double s_phase = state.saturation()[np*cell + phase];
wellperf_wdp_[j] += s_phase*rho[phase]*grav*(cell_depth - ref_depth);
}
}
}
@ -478,10 +479,7 @@ namespace Opm
std::copy(cM, cM + np, wpM);
} else {
const double bhp = well_state.bhp()[w];
double perf_p = bhp;
for (int phase = 0; phase < np; ++phase) {
perf_p += wellperf_wdp_[np*j + phase]*comp_frac[phase];
}
double perf_p = bhp + wellperf_wdp_[j];
// Hack warning: comp_frac is used as a component
// surface-volume variable in calls to matrix() and
// viscosity(), but as a saturation in the call to
@ -636,16 +634,10 @@ namespace Opm
// Compute well perforation pressures (not done by the C code).
if (wells_ != 0) {
const int nw = wells_->number_of_wells;
const int np = props_.numPhases();
for (int w = 0; w < nw; ++w) {
const double* comp_frac = &wells_->comp_frac[np*w];
for (int j = wells_->well_connpos[w]; j < wells_->well_connpos[w+1]; ++j) {
const double bhp = well_state.bhp()[w];
double perf_p = bhp;
for (int phase = 0; phase < np; ++phase) {
perf_p += wellperf_wdp_[np*j + phase]*comp_frac[phase];
}
well_state.perfPress()[j] = perf_p;
well_state.perfPress()[j] = bhp + wellperf_wdp_[j];
}
}
}